> On 2016-Dec-08, at 19:29, Richard Smith <rich...@metafoo.co.uk> wrote: > > On 8 Dec 2016 7:17 pm, "Duncan P. N. Exon Smith via cfe-commits" > <cfe-commits@lists.llvm.org> wrote: > +Eric, Marshall > > I haven't looked, but: from the test name, "copy.fail.cpp", I suspect there > is a bug/incompatibility in the test. It likely relies on the compiler > trying (and failing) to copy something in a context where r288866 guarantees > that there is no copy. > > Was this not fixed by "[libcxx] r289033 - Avoid C++17 guaranteed copy elision > when testing for non-copyability"?
Yes, the bot is green now: http://lab.llvm.org:8080/green/job/clang-stage2-cmake-RgSan_check/2728/ > > > On 2016-Dec-08, at 18:00, Adrian Prantl <apra...@apple.com> wrote: > > > > Hi Richard, > > > > at this point this is more a heads-up than anything actionable, but I > > wanted to let you know that I bisected this bot failure > > (http://lab.llvm.org:8080/green/job/clang-stage2-cmake-RgSan_check/2721/consoleFull#10584592348254eaf0-7326-4999-85b0-388101f2d404) > > of std/input.output/stream.buffers/streambuf/streambuf.cons/copy.fail.cpp > > down to this commit. > > > > I will follow up once I have a better understanding what is going on there. > > > > -- adrian > > > >> On Dec 6, 2016, at 3:52 PM, Richard Smith via cfe-commits > >> <cfe-commits@lists.llvm.org> wrote: > >> > >> Author: rsmith > >> Date: Tue Dec 6 17:52:28 2016 > >> New Revision: 288866 > >> > >> URL: http://llvm.org/viewvc/llvm-project?rev=288866&view=rev > >> Log: > >> [c++17] P0135R1: Guaranteed copy elision. > >> > >> When an object of class type is initialized from a prvalue of the same type > >> (ignoring cv qualifications), use the prvalue to initialize the object > >> directly > >> instead of inserting a redundant elidable call to a copy constructor. > >> > >> Added: > >> cfe/trunk/test/CodeGenCXX/cxx1z-copy-omission.cpp > >> cfe/trunk/test/SemaCXX/cxx1z-copy-omission.cpp > >> Modified: > >> cfe/trunk/include/clang/AST/Expr.h > >> cfe/trunk/lib/AST/Expr.cpp > >> cfe/trunk/lib/AST/ExprConstant.cpp > >> cfe/trunk/lib/CodeGen/CGExpr.cpp > >> cfe/trunk/lib/CodeGen/CGExprAgg.cpp > >> cfe/trunk/lib/CodeGen/CGExprConstant.cpp > >> cfe/trunk/lib/Sema/SemaExprCXX.cpp > >> cfe/trunk/lib/Sema/SemaInit.cpp > >> cfe/trunk/lib/Sema/SemaOverload.cpp > >> cfe/trunk/test/CXX/drs/dr0xx.cpp > >> cfe/trunk/test/CXX/drs/dr10xx.cpp > >> cfe/trunk/test/CXX/drs/dr1xx.cpp > >> cfe/trunk/test/CXX/drs/dr4xx.cpp > >> cfe/trunk/test/SemaCXX/aggregate-initialization.cpp > >> cfe/trunk/www/cxx_dr_status.html > >> cfe/trunk/www/cxx_status.html > >> > >> Modified: cfe/trunk/include/clang/AST/Expr.h > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/Expr.h?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/include/clang/AST/Expr.h (original) > >> +++ cfe/trunk/include/clang/AST/Expr.h Tue Dec 6 17:52:28 2016 > >> @@ -3786,7 +3786,7 @@ public: > >> > >> /// \brief Build an empty initializer list. > >> explicit InitListExpr(EmptyShell Empty) > >> - : Expr(InitListExprClass, Empty) { } > >> + : Expr(InitListExprClass, Empty), AltForm(nullptr, true) { } > >> > >> unsigned getNumInits() const { return InitExprs.size(); } > >> > >> @@ -3894,6 +3894,11 @@ public: > >> // literal or an @encode? > >> bool isStringLiteralInit() const; > >> > >> + /// Is this a transparent initializer list (that is, an InitListExpr > >> that is > >> + /// purely syntactic, and whose semantics are that of the sole contained > >> + /// initializer)? > >> + bool isTransparent() const; > >> + > >> SourceLocation getLBraceLoc() const { return LBraceLoc; } > >> void setLBraceLoc(SourceLocation Loc) { LBraceLoc = Loc; } > >> SourceLocation getRBraceLoc() const { return RBraceLoc; } > >> > >> Modified: cfe/trunk/lib/AST/Expr.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/Expr.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/lib/AST/Expr.cpp (original) > >> +++ cfe/trunk/lib/AST/Expr.cpp Tue Dec 6 17:52:28 2016 > >> @@ -1864,6 +1864,24 @@ bool InitListExpr::isStringLiteralInit() > >> return isa<StringLiteral>(Init) || isa<ObjCEncodeExpr>(Init); > >> } > >> > >> +bool InitListExpr::isTransparent() const { > >> + assert(isSemanticForm() && "syntactic form never semantically > >> transparent"); > >> + > >> + // A glvalue InitListExpr is always just sugar. > >> + if (isGLValue()) { > >> + assert(getNumInits() == 1 && "multiple inits in glvalue init list"); > >> + return true; > >> + } > >> + > >> + // Otherwise, we're sugar if and only if we have exactly one > >> initializer that > >> + // is of the same type. > >> + if (getNumInits() != 1 || !getInit(0)) > >> + return false; > >> + > >> + return getType().getCanonicalType() == > >> + getInit(0)->getType().getCanonicalType(); > >> +} > >> + > >> SourceLocation InitListExpr::getLocStart() const { > >> if (InitListExpr *SyntacticForm = getSyntacticForm()) > >> return SyntacticForm->getLocStart(); > >> @@ -2246,12 +2264,15 @@ bool Expr::isUnusedResultAWarning(const > >> // effects (e.g. a placement new with an uninitialized POD). > >> case CXXDeleteExprClass: > >> return false; > >> + case MaterializeTemporaryExprClass: > >> + return cast<MaterializeTemporaryExpr>(this)->GetTemporaryExpr() > >> + ->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); > >> case CXXBindTemporaryExprClass: > >> - return (cast<CXXBindTemporaryExpr>(this) > >> - ->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, > >> Ctx)); > >> + return cast<CXXBindTemporaryExpr>(this)->getSubExpr() > >> + ->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); > >> case ExprWithCleanupsClass: > >> - return (cast<ExprWithCleanups>(this) > >> - ->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, > >> Ctx)); > >> + return cast<ExprWithCleanups>(this)->getSubExpr() > >> + ->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); > >> } > >> } > >> > >> > >> Modified: cfe/trunk/lib/AST/ExprConstant.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ExprConstant.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/lib/AST/ExprConstant.cpp (original) > >> +++ cfe/trunk/lib/AST/ExprConstant.cpp Tue Dec 6 17:52:28 2016 > >> @@ -5670,6 +5670,9 @@ bool RecordExprEvaluator::VisitCastExpr( > >> } > >> > >> bool RecordExprEvaluator::VisitInitListExpr(const InitListExpr *E) { > >> + if (E->isTransparent()) > >> + return Visit(E->getInit(0)); > >> + > >> const RecordDecl *RD = E->getType()->castAs<RecordType>()->getDecl(); > >> if (RD->isInvalidDecl()) return false; > >> const ASTRecordLayout &Layout = Info.Ctx.getASTRecordLayout(RD); > >> > >> Modified: cfe/trunk/lib/CodeGen/CGExpr.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExpr.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/lib/CodeGen/CGExpr.cpp (original) > >> +++ cfe/trunk/lib/CodeGen/CGExpr.cpp Tue Dec 6 17:52:28 2016 > >> @@ -3522,7 +3522,7 @@ LValue CodeGenFunction::EmitInitListLVal > >> return EmitAggExprToLValue(E); > >> > >> // An lvalue initializer list must be initializing a reference. > >> - assert(E->getNumInits() == 1 && "reference init with multiple values"); > >> + assert(E->isTransparent() && "non-transparent glvalue init list"); > >> return EmitLValue(E->getInit(0)); > >> } > >> > >> > >> Modified: cfe/trunk/lib/CodeGen/CGExprAgg.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprAgg.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/lib/CodeGen/CGExprAgg.cpp (original) > >> +++ cfe/trunk/lib/CodeGen/CGExprAgg.cpp Tue Dec 6 17:52:28 2016 > >> @@ -1145,15 +1145,15 @@ void AggExprEmitter::VisitInitListExpr(I > >> if (E->hadArrayRangeDesignator()) > >> CGF.ErrorUnsupported(E, "GNU array range designator extension"); > >> > >> + if (E->isTransparent()) > >> + return Visit(E->getInit(0)); > >> + > >> AggValueSlot Dest = EnsureSlot(E->getType()); > >> > >> LValue DestLV = CGF.MakeAddrLValue(Dest.getAddress(), E->getType()); > >> > >> // Handle initialization of an array. > >> if (E->getType()->isArrayType()) { > >> - if (E->isStringLiteralInit()) > >> - return Visit(E->getInit(0)); > >> - > >> QualType elementType = > >> CGF.getContext().getAsArrayType(E->getType())->getElementType(); > >> > >> @@ -1162,16 +1162,6 @@ void AggExprEmitter::VisitInitListExpr(I > >> return; > >> } > >> > >> - if (E->getType()->isAtomicType()) { > >> - // An _Atomic(T) object can be list-initialized from an expression > >> - // of the same type. > >> - assert(E->getNumInits() == 1 && > >> - > >> CGF.getContext().hasSameUnqualifiedType(E->getInit(0)->getType(), > >> - E->getType()) && > >> - "unexpected list initialization for atomic object"); > >> - return Visit(E->getInit(0)); > >> - } > >> - > >> assert(E->getType()->isRecordType() && "Only support structs/unions > >> here!"); > >> > >> // Do struct initialization; this code just sets each individual member > >> > >> Modified: cfe/trunk/lib/CodeGen/CGExprConstant.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprConstant.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/lib/CodeGen/CGExprConstant.cpp (original) > >> +++ cfe/trunk/lib/CodeGen/CGExprConstant.cpp Tue Dec 6 17:52:28 2016 > >> @@ -778,9 +778,6 @@ public: > >> } > >> > >> llvm::Constant *EmitArrayInitialization(InitListExpr *ILE) { > >> - if (ILE->isStringLiteralInit()) > >> - return Visit(ILE->getInit(0)); > >> - > >> llvm::ArrayType *AType = > >> cast<llvm::ArrayType>(ConvertType(ILE->getType())); > >> llvm::Type *ElemTy = AType->getElementType(); > >> @@ -845,6 +842,9 @@ public: > >> } > >> > >> llvm::Constant *VisitInitListExpr(InitListExpr *ILE) { > >> + if (ILE->isTransparent()) > >> + return Visit(ILE->getInit(0)); > >> + > >> if (ILE->getType()->isArrayType()) > >> return EmitArrayInitialization(ILE); > >> > >> > >> Modified: cfe/trunk/lib/Sema/SemaExprCXX.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExprCXX.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/lib/Sema/SemaExprCXX.cpp (original) > >> +++ cfe/trunk/lib/Sema/SemaExprCXX.cpp Tue Dec 6 17:52:28 2016 > >> @@ -6836,6 +6836,16 @@ ExprResult Sema::IgnoredValueConversions > >> return E; > >> E = Res.get(); > >> } > >> + > >> + // C++1z: > >> + // If the expression is a prvalue after this optional conversion, > >> the > >> + // temporary materialization conversion is applied. > >> + // > >> + // We skip this step: IR generation is able to synthesize the storage > >> for > >> + // itself in the aggregate case, and adding the extra node to the AST > >> is > >> + // just clutter. > >> + // FIXME: We don't emit lifetime markers for the temporaries due to > >> this. > >> + // FIXME: Do any other AST consumers care about this? > >> return E; > >> } > >> > >> > >> Modified: cfe/trunk/lib/Sema/SemaInit.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaInit.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/lib/Sema/SemaInit.cpp (original) > >> +++ cfe/trunk/lib/Sema/SemaInit.cpp Tue Dec 6 17:52:28 2016 > >> @@ -3546,8 +3546,14 @@ static void TryConstructorInitialization > >> InitializationSequence &Sequence, > >> bool IsListInit = false, > >> bool IsInitListCopy = false) { > >> - assert((!IsListInit || (Args.size() == 1 && > >> isa<InitListExpr>(Args[0]))) && > >> - "IsListInit must come with a single initializer list argument."); > >> + assert(((!IsListInit && !IsInitListCopy) || > >> + (Args.size() == 1 && isa<InitListExpr>(Args[0]))) && > >> + "IsListInit/IsInitListCopy must come with a single initializer > >> list " > >> + "argument."); > >> + InitListExpr *ILE = > >> + (IsListInit || IsInitListCopy) ? cast<InitListExpr>(Args[0]) : > >> nullptr; > >> + MultiExprArg UnwrappedArgs = > >> + ILE ? MultiExprArg(ILE->getInits(), ILE->getNumInits()) : Args; > >> > >> // The type we're constructing needs to be complete. > >> if (!S.isCompleteType(Kind.getLocation(), DestType)) { > >> @@ -3555,6 +3561,35 @@ static void TryConstructorInitialization > >> return; > >> } > >> > >> + // C++1z [dcl.init]p17: > >> + // - If the initializer expression is a prvalue and the > >> cv-unqualified > >> + // version of the source type is the same class as the class of > >> the > >> + // destination, the initializer expression is used to initialize > >> the > >> + // destination object. > >> + // Per DR (no number yet), this does not apply when initializing a base > >> + // class or delegating to another constructor from a mem-initializer. > >> + if (S.getLangOpts().CPlusPlus1z && > >> + Entity.getKind() != InitializedEntity::EK_Base && > >> + Entity.getKind() != InitializedEntity::EK_Delegating && > >> + UnwrappedArgs.size() == 1 && UnwrappedArgs[0]->isRValue() && > >> + S.Context.hasSameUnqualifiedType(UnwrappedArgs[0]->getType(), > >> DestType)) { > >> + // Convert qualifications if necessary. > >> + QualType InitType = UnwrappedArgs[0]->getType(); > >> + ImplicitConversionSequence ICS; > >> + ICS.setStandard(); > >> + ICS.Standard.setAsIdentityConversion(); > >> + ICS.Standard.setFromType(InitType); > >> + ICS.Standard.setAllToTypes(InitType); > >> + if (!S.Context.hasSameType(InitType, DestType)) { > >> + ICS.Standard.Third = ICK_Qualification; > >> + ICS.Standard.setToType(2, DestType); > >> + } > >> + Sequence.AddConversionSequenceStep(ICS, DestType); > >> + if (ILE) > >> + Sequence.RewrapReferenceInitList(DestType, ILE); > >> + return; > >> + } > >> + > >> const RecordType *DestRecordType = DestType->getAs<RecordType>(); > >> assert(DestRecordType && "Constructor initialization requires record > >> type"); > >> CXXRecordDecl *DestRecordDecl > >> @@ -3588,20 +3623,16 @@ static void TryConstructorInitialization > >> // constructors of the class T and the argument list consists of the > >> // initializer list as a single argument. > >> if (IsListInit) { > >> - InitListExpr *ILE = cast<InitListExpr>(Args[0]); > >> AsInitializerList = true; > >> > >> // If the initializer list has no elements and T has a default > >> constructor, > >> // the first phase is omitted. > >> - if (ILE->getNumInits() != 0 || > >> !DestRecordDecl->hasDefaultConstructor()) > >> + if (!(UnwrappedArgs.empty() && > >> DestRecordDecl->hasDefaultConstructor())) > >> Result = ResolveConstructorOverload(S, Kind.getLocation(), Args, > >> CandidateSet, Ctors, Best, > >> CopyInitialization, AllowExplicit, > >> /*OnlyListConstructor=*/true, > >> IsListInit); > >> - > >> - // Time to unwrap the init list. > >> - Args = MultiExprArg(ILE->getInits(), ILE->getNumInits()); > >> } > >> > >> // C++11 [over.match.list]p1: > >> @@ -3611,7 +3642,7 @@ static void TryConstructorInitialization > >> // elements of the initializer list. > >> if (Result == OR_No_Viable_Function) { > >> AsInitializerList = false; > >> - Result = ResolveConstructorOverload(S, Kind.getLocation(), Args, > >> + Result = ResolveConstructorOverload(S, Kind.getLocation(), > >> UnwrappedArgs, > >> CandidateSet, Ctors, Best, > >> CopyInitialization, AllowExplicit, > >> /*OnlyListConstructors=*/false, > >> @@ -3821,8 +3852,8 @@ static void TryListInitialization(Sema & > >> QualType InitType = InitList->getInit(0)->getType(); > >> if (S.Context.hasSameUnqualifiedType(InitType, DestType) || > >> S.IsDerivedFrom(InitList->getLocStart(), InitType, DestType)) { > >> - Expr *InitAsExpr = InitList->getInit(0); > >> - TryConstructorInitialization(S, Entity, Kind, InitAsExpr, > >> DestType, > >> + Expr *InitListAsExpr = InitList; > >> + TryConstructorInitialization(S, Entity, Kind, InitListAsExpr, > >> DestType, > >> Sequence, /*InitListSyntax*/ false, > >> /*IsInitListCopy*/ true); > >> return; > >> @@ -4332,16 +4363,21 @@ static void TryReferenceInitializationCo > >> } > >> > >> // - If the initializer expression > >> + // C++14-and-before: > >> // - is an xvalue, class prvalue, array prvalue, or function lvalue > >> and > >> // "cv1 T1" is reference-compatible with "cv2 T2" > >> + // C++1z: > >> + // - is an rvalue or function lvalue and "cv1 T1" is > >> reference-compatible > >> + // with "cv2 T2" > >> // Note: functions are handled below. > >> if (!T1Function && > >> (RefRelationship == Sema::Ref_Compatible || > >> (Kind.isCStyleOrFunctionalCast() && > >> RefRelationship == Sema::Ref_Related)) && > >> (InitCategory.isXValue() || > >> - (InitCategory.isPRValue() && T2->isRecordType()) || > >> - (InitCategory.isPRValue() && T2->isArrayType()))) { > >> + (InitCategory.isPRValue() && > >> + (S.getLangOpts().CPlusPlus1z || T2->isRecordType() || > >> + T2->isArrayType())))) { > >> ExprValueKind ValueKind = InitCategory.isXValue()? VK_XValue : > >> VK_RValue; > >> if (InitCategory.isPRValue() && T2->isRecordType()) { > >> // The corresponding bullet in C++03 [dcl.init.ref]p5 gives the > >> @@ -6604,7 +6640,26 @@ InitializationSequence::Perform(Sema &S, > >> CreatedObject = Conversion->getReturnType()->isRecordType(); > >> } > >> > >> + // C++14 and before: > >> + // - if the function is a constructor, the call initializes a > >> temporary > >> + // of the cv-unqualified version of the destination type [...] > >> + // C++1z: > >> + // - if the function is a constructor, the call is a prvalue of > >> the > >> + // cv-unqualified version of the destination type whose return > >> object > >> + // is initialized by the constructor [...] > >> + // Both: > >> + // The [..] call is used to direct-initialize, according to the > >> rules > >> + // above, the object that is the destination of the > >> + // copy-initialization. > >> + // In C++14 and before, that always means the "constructors are > >> + // considered" bullet, because we have arrived at a > >> reference-related > >> + // type. In C++1z, it only means that if the types are different or > >> we > >> + // didn't produce a prvalue, so just check for that case here. > >> bool RequiresCopy = !IsCopy && !isReferenceBinding(Steps.back()); > >> + if (S.getLangOpts().CPlusPlus1z && CurInit.get()->isRValue() && > >> + S.Context.hasSameUnqualifiedType( > >> + Entity.getType().getNonReferenceType(), > >> CurInit.get()->getType())) > >> + RequiresCopy = false; > >> bool MaybeBindToTemp = RequiresCopy || shouldBindAsTemporary(Entity); > >> > >> if (!MaybeBindToTemp && CreatedObject && > >> shouldDestroyTemporary(Entity)) { > >> > >> Modified: cfe/trunk/lib/Sema/SemaOverload.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOverload.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/lib/Sema/SemaOverload.cpp (original) > >> +++ cfe/trunk/lib/Sema/SemaOverload.cpp Tue Dec 6 17:52:28 2016 > >> @@ -4979,7 +4979,7 @@ TryObjectArgumentInitialization(Sema &S, > >> // cv-qualification on the member function declaration. > >> // > >> // However, when finding an implicit conversion sequence for the > >> argument, we > >> - // are not allowed to create temporaries or perform user-defined > >> conversions > >> + // are not allowed to perform user-defined conversions > >> // (C++ [over.match.funcs]p5). We perform a simplified version of > >> // reference binding here, that allows class rvalues to bind to > >> // non-constant references. > >> > >> Modified: cfe/trunk/test/CXX/drs/dr0xx.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CXX/drs/dr0xx.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/test/CXX/drs/dr0xx.cpp (original) > >> +++ cfe/trunk/test/CXX/drs/dr0xx.cpp Tue Dec 6 17:52:28 2016 > >> @@ -248,7 +248,7 @@ namespace dr20 { // dr20: yes > >> private: > >> X(const X&); // expected-note {{here}} > >> }; > >> - X f(); > >> + X &f(); > >> X x = f(); // expected-error {{private}} > >> } > >> > >> @@ -316,8 +316,15 @@ namespace dr25 { // dr25: yes > >> namespace dr26 { // dr26: yes > >> struct A { A(A, const A & = A()); }; // expected-error {{must pass its > >> first argument by reference}} > >> struct B { > >> - B(); // expected-note {{candidate}} > >> - B(const B &, B = B()); // expected-error {{no matching constructor}} > >> expected-note {{candidate}} expected-note {{here}} > >> + B(); // expected-note 0-1{{candidate}} > >> + B(const B &, B = B()); > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{no matching constructor}} expected-note@-2 > >> {{candidate}} expected-note@-2 {{here}} > >> +#endif > >> + }; > >> + struct C { > >> + static C &f(); > >> + C(const C &, C = f()); // expected-error {{no matching constructor}} > >> expected-note {{candidate}} expected-note {{here}} > >> }; > >> } > >> > >> @@ -662,25 +669,33 @@ namespace dr58 { // dr58: yes > >> > >> namespace dr59 { // dr59: yes > >> template<typename T> struct convert_to { operator T() const; }; > >> - struct A {}; // expected-note 2{{volatile qualifier}} expected-note > >> 2{{requires 0 arguments}} > >> - struct B : A {}; // expected-note 2{{volatile qualifier}} expected-note > >> 2{{requires 0 arguments}} > >> -#if __cplusplus >= 201103L // move constructors > >> - // expected-note@-3 2{{volatile qualifier}} > >> - // expected-note@-3 2{{volatile qualifier}} > >> -#endif > >> + struct A {}; // expected-note 5+{{candidate}} > >> + struct B : A {}; // expected-note 0+{{candidate}} > >> > >> A a1 = convert_to<A>(); > >> A a2 = convert_to<A&>(); > >> A a3 = convert_to<const A>(); > >> - A a4 = convert_to<const volatile A>(); // expected-error {{no viable}} > >> + A a4 = convert_to<const volatile A>(); > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{no viable}} > >> +#endif > >> A a5 = convert_to<const volatile A&>(); // expected-error {{no viable}} > >> > >> B b1 = convert_to<B>(); > >> B b2 = convert_to<B&>(); > >> B b3 = convert_to<const B>(); > >> - B b4 = convert_to<const volatile B>(); // expected-error {{no viable}} > >> + B b4 = convert_to<const volatile B>(); > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{no viable}} > >> +#endif > >> B b5 = convert_to<const volatile B&>(); // expected-error {{no viable}} > >> > >> + A c1 = convert_to<B>(); > >> + A c2 = convert_to<B&>(); > >> + A c3 = convert_to<const B>(); > >> + A c4 = convert_to<const volatile B>(); // expected-error {{no viable}} > >> + A c5 = convert_to<const volatile B&>(); // expected-error {{no viable}} > >> + > >> int n1 = convert_to<int>(); > >> int n2 = convert_to<int&>(); > >> int n3 = convert_to<const int>(); > >> @@ -920,14 +935,17 @@ namespace dr84 { // dr84: yes > >> struct A { operator B() const; }; > >> struct C {}; > >> struct B { > >> - B(B&); // expected-note {{candidate}} > >> - B(C); // expected-note {{no known conversion from 'dr84::B' to > >> 'dr84::C'}} > >> + B(B&); // expected-note 0-1{{candidate}} > >> + B(C); // expected-note 0-1{{no known conversion from 'dr84::B' to > >> 'dr84::C'}} > >> operator C() const; > >> }; > >> A a; > >> // Cannot use B(C) / operator C() pair to construct the B from the B > >> temporary > >> - // here. > >> - B b = a; // expected-error {{no viable}} > >> + // here. In C++1z, we initialize the B object directly using > >> 'A::operator B()'. > >> + B b = a; > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{no viable}} > >> +#endif > >> } > >> > >> namespace dr85 { // dr85: yes > >> > >> Modified: cfe/trunk/test/CXX/drs/dr10xx.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CXX/drs/dr10xx.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/test/CXX/drs/dr10xx.cpp (original) > >> +++ cfe/trunk/test/CXX/drs/dr10xx.cpp Tue Dec 6 17:52:28 2016 > >> @@ -3,8 +3,6 @@ > >> // RUN: %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions > >> -pedantic-errors > >> // RUN: %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions > >> -pedantic-errors > >> > >> -// expected-no-diagnostics > >> - > >> namespace std { > >> __extension__ typedef __SIZE_TYPE__ size_t; > >> > >> @@ -32,6 +30,18 @@ namespace dr1048 { // dr1048: 3.6 > >> #endif > >> } > >> > >> +namespace dr1054 { // dr1054: no > >> + // FIXME: Test is incomplete. > >> + struct A {} volatile a; > >> + void f() { > >> + // FIXME: This is wrong: an lvalue-to-rvalue conversion is applied > >> here, > >> + // which copy-initializes a temporary from 'a'. Therefore this is > >> + // ill-formed because A does not have a volatile copy constructor. > >> + // (We might want to track this aspect under dr1383 instead?) > >> + a; // expected-warning {{assign into a variable to force a volatile > >> load}} > >> + } > >> +} > >> + > >> namespace dr1070 { // dr1070: 3.5 > >> #if __cplusplus >= 201103L > >> struct A { > >> > >> Modified: cfe/trunk/test/CXX/drs/dr1xx.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CXX/drs/dr1xx.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/test/CXX/drs/dr1xx.cpp (original) > >> +++ cfe/trunk/test/CXX/drs/dr1xx.cpp Tue Dec 6 17:52:28 2016 > >> @@ -576,11 +576,18 @@ namespace dr151 { // dr151: yes > >> > >> namespace dr152 { // dr152: yes > >> struct A { > >> - A(); // expected-note {{not viable}} > >> + A(); // expected-note 0-2{{not viable}} > >> explicit A(const A&); > >> }; > >> - A a1 = A(); // expected-error {{no matching constructor}} > >> + A a1 = A(); > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{no matching constructor}} > >> +#endif > >> A a2((A())); > >> + > >> + A &f(); > >> + A a3 = f(); // expected-error {{no matching constructor}} > >> + A a4(f()); > >> } > >> > >> // dr153: na > >> @@ -823,11 +830,20 @@ namespace dr176 { // dr176: yes > >> namespace dr177 { // dr177: yes > >> struct B {}; > >> struct A { > >> - A(A &); // expected-note {{not viable: expects an l-value}} > >> - A(const B &); // expected-note {{not viable: no known conversion from > >> 'dr177::A' to}} > >> + A(A &); // expected-note 0-1{{not viable: expects an l-value}} > >> + A(const B &); // expected-note 0-1{{not viable: no known conversion > >> from 'dr177::A' to}} > >> }; > >> B b; > >> - A a = b; // expected-error {{no viable constructor copying variable}} > >> + A a = b; > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{no viable constructor copying variable}} > >> +#endif > >> + > >> + struct C { C(C&); }; // expected-note {{not viable: no known conversion > >> from 'dr177::D' to 'dr177::C &'}} > >> + struct D : C {}; > >> + struct E { operator D(); }; > >> + E e; > >> + C c = e; // expected-error {{no viable constructor copying variable of > >> type 'dr177::D'}} > >> } > >> > >> namespace dr178 { // dr178: yes > >> > >> Modified: cfe/trunk/test/CXX/drs/dr4xx.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CXX/drs/dr4xx.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/test/CXX/drs/dr4xx.cpp (original) > >> +++ cfe/trunk/test/CXX/drs/dr4xx.cpp Tue Dec 6 17:52:28 2016 > >> @@ -553,12 +553,21 @@ namespace dr446 { // dr446: yes > >> void(b ? a : a); > >> b ? A() : a; // expected-error {{deleted}} > >> b ? a : A(); // expected-error {{deleted}} > >> - b ? A() : A(); // expected-error {{deleted}} > >> + b ? A() : A(); > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{deleted}} > >> +#endif > >> > >> void(b ? a : c); > >> b ? a : C(); // expected-error {{deleted}} > >> - b ? c : A(); // expected-error {{deleted}} > >> - b ? A() : C(); // expected-error {{deleted}} > >> + b ? c : A(); > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{deleted}} > >> +#endif > >> + b ? A() : C(); > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{deleted}} > >> +#endif > >> } > >> } > >> > >> @@ -874,10 +883,12 @@ namespace dr479 { // dr479: yes > >> void f() { > >> throw S(); > >> // expected-error@-1 {{temporary of type 'dr479::S' has private > >> destructor}} > >> - // expected-error@-2 {{calling a private constructor}} > >> - // expected-error@-3 {{exception object of type 'dr479::S' has > >> private destructor}} > >> + // expected-error@-2 {{exception object of type 'dr479::S' has > >> private destructor}} > >> #if __cplusplus < 201103L > >> - // expected-error@-5 {{C++98 requires an accessible copy constructor}} > >> + // expected-error@-4 {{C++98 requires an accessible copy constructor}} > >> +#endif > >> +#if __cplusplus <= 201402L > >> + // expected-error@-7 {{calling a private constructor}} (copy ctor) > >> #endif > >> } > >> void g() { > >> > >> Added: cfe/trunk/test/CodeGenCXX/cxx1z-copy-omission.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/cxx1z-copy-omission.cpp?rev=288866&view=auto > >> ============================================================================== > >> --- cfe/trunk/test/CodeGenCXX/cxx1z-copy-omission.cpp (added) > >> +++ cfe/trunk/test/CodeGenCXX/cxx1z-copy-omission.cpp Tue Dec 6 17:52:28 > >> 2016 > >> @@ -0,0 +1,81 @@ > >> +// RUN: %clang_cc1 -std=c++1z -emit-llvm -triple x86_64-linux-gnu -o - %s > >> | FileCheck %s > >> + > >> +struct A { > >> + A(int); > >> + A(A&&); > >> + A(const A&); > >> + ~A(); > >> + > >> + int arr[10]; > >> +}; > >> + > >> +A f(); > >> +void h(); > >> + > >> +// CHECK-LABEL: define {{.*}} @_Z1gv( > >> +void g() { > >> + // CHECK: %[[A:.*]] = alloca > >> + // CHECK-NOT: alloca > >> + // CHECK-NOT: call > >> + // CHECK: call {{.*}} @_Z1fv({{.*}}* sret %[[A]]) > >> + A a = A( A{ f() } ); > >> + // CHECK-NOT: call > >> + > >> + // CHECK: call void @_Z1hv( > >> + h(); > >> + // CHECK-NOT: call > >> + > >> + // CHECK: call void @_ZN1AD1Ev({{.*}}* %[[A]]) > >> + // CHECK-NOT: call > >> + // CHECK-LABEL: } > >> +} > >> + > >> +void f(A); > >> + > >> +// CHECK-LABEL: define {{.*}} @_Z1hv( > >> +void h() { > >> + // CHECK: %[[A:.*]] = alloca > >> + // CHECK-NOT: alloca > >> + // CHECK-NOT: call > >> + > >> + // CHECK: call {{.*}} @_Z1fv({{.*}}* sret %[[A]]) > >> + // CHECK-NOT: call > >> + // CHECK: call {{.*}} @_Z1f1A({{.*}}* %[[A]]) > >> + f(f()); > >> + // CHECK-NOT: call > >> + // CHECK: call void @_ZN1AD1Ev({{.*}}* %[[A]]) > >> + > >> + // CHECK: call void @_Z1hv( > >> + h(); > >> + > >> + // CHECK-NOT: call > >> + // CHECK-LABEL: } > >> +} > >> + > >> +// We still pass classes with trivial copy/move constructors and > >> destructors in > >> +// registers, even if the copy is formally omitted. > >> +struct B { > >> + B(int); > >> + int n; > >> +}; > >> + > >> +B fB(); > >> +void fB(B); > >> + > >> +// CHECK-LABEL: define {{.*}} @_Z1iv( > >> +void i() { > >> + // CHECK: %[[B:.*]] = alloca > >> + // CHECK-NOT: alloca > >> + // CHECK-NOT: call > >> + > >> + // CHECK: %[[B_N:.*]] = call i32 @_Z2fBv() > >> + // CHECK-NOT: call > >> + // CHECK: store i32 %[[B_N]], > >> + // CHECK-NOT: call > >> + // CHECK: %[[B_N:.*]] = load i32 > >> + // CHECK-NOT: call > >> + // CHECK: call void @_Z2fB1B(i32 %[[B_N]]) > >> + fB(fB()); > >> + > >> + // CHECK-LABEL: } > >> +} > >> > >> Modified: cfe/trunk/test/SemaCXX/aggregate-initialization.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/aggregate-initialization.cpp?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/test/SemaCXX/aggregate-initialization.cpp (original) > >> +++ cfe/trunk/test/SemaCXX/aggregate-initialization.cpp Tue Dec 6 > >> 17:52:28 2016 > >> @@ -57,7 +57,7 @@ struct A { > >> A(int); > >> ~A(); > >> > >> - A(const A&) = delete; // expected-note 2 {{'A' has been explicitly > >> marked deleted here}} > >> + A(const A&) = delete; // expected-note 0-2{{'A' has been explicitly > >> marked deleted here}} > >> }; > >> > >> struct B { > >> @@ -70,10 +70,16 @@ struct C { > >> > >> void f() { > >> A as1[1] = { }; > >> - A as2[1] = { 1 }; // expected-error {{copying array element of type 'A' > >> invokes deleted constructor}} > >> + A as2[1] = { 1 }; > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{copying array element of type 'A' invokes > >> deleted constructor}} > >> +#endif > >> > >> B b1 = { }; > >> - B b2 = { 1 }; // expected-error {{copying member subobject of type 'A' > >> invokes deleted constructor}} > >> + B b2 = { 1 }; > >> +#if __cplusplus <= 201402L > >> + // expected-error@-2 {{copying member subobject of type 'A' invokes > >> deleted constructor}} > >> +#endif > >> > >> C c1 = { 1 }; > >> } > >> > >> Added: cfe/trunk/test/SemaCXX/cxx1z-copy-omission.cpp > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/cxx1z-copy-omission.cpp?rev=288866&view=auto > >> ============================================================================== > >> --- cfe/trunk/test/SemaCXX/cxx1z-copy-omission.cpp (added) > >> +++ cfe/trunk/test/SemaCXX/cxx1z-copy-omission.cpp Tue Dec 6 17:52:28 2016 > >> @@ -0,0 +1,134 @@ > >> +// RUN: %clang_cc1 -std=c++1z -verify %s > >> + > >> +struct Noncopyable { > >> + Noncopyable(); > >> + Noncopyable(const Noncopyable &) = delete; // expected-note > >> 1+{{deleted}} > >> + virtual ~Noncopyable(); > >> +}; > >> +struct Derived : Noncopyable {}; > >> +struct NoncopyableAggr { > >> + Noncopyable nc; > >> +}; > >> +struct Indestructible { > >> + Indestructible(); > >> + ~Indestructible() = delete; // expected-note 1+{{deleted}} > >> +}; > >> +struct Incomplete; // expected-note 1+{{declar}} > >> + > >> +Noncopyable make(int kind = 0) { > >> + switch (kind) { > >> + case 0: return {}; > >> + case 1: return Noncopyable(); > >> + case 2: return Noncopyable{}; > >> + case 3: return make(); > >> + } > >> + __builtin_unreachable(); > >> +} > >> + > >> +Indestructible make_indestructible(); > >> +Incomplete make_incomplete(); // expected-note 1+{{here}} > >> + > >> +void take(Noncopyable nc) {} > >> + > >> +Noncopyable nrvo() { > >> + Noncopyable nrvo; > >> + return nrvo; // expected-error {{deleted constructor}} > >> +} > >> + > >> +Noncopyable nc1 = make(); > >> +Noncopyable nc2 = Noncopyable(); > >> +Noncopyable nc3 = Derived(); // expected-error {{deleted constructor}} > >> + > >> +NoncopyableAggr nca1 = NoncopyableAggr{}; > >> +NoncopyableAggr nca2 = NoncopyableAggr{{}}; > >> +NoncopyableAggr nca3 = NoncopyableAggr{NoncopyableAggr{Noncopyable()}}; > >> + > >> +void test_expressions(bool b) { > >> + auto lambda = [a = make()] {}; > >> + > >> + take({}); > >> + take(Noncopyable()); > >> + take(Noncopyable{}); > >> + take(make()); > >> + > >> + Noncopyable &&dc1 = dynamic_cast<Noncopyable&&>(Noncopyable()); > >> + Noncopyable &&dc2 = dynamic_cast<Noncopyable&&>(nc1); > >> + Noncopyable &&dc3 = dynamic_cast<Noncopyable&&>(Derived()); > >> + > >> + Noncopyable sc1 = static_cast<Noncopyable>(Noncopyable()); > >> + Noncopyable sc2 = static_cast<Noncopyable>(nc1); // expected-error > >> {{deleted}} > >> + Noncopyable sc3 = static_cast<Noncopyable&&>(Noncopyable()); // > >> expected-error {{deleted}} > >> + Noncopyable sc4 = > >> static_cast<Noncopyable>(static_cast<Noncopyable&&>(Noncopyable())); // > >> expected-error {{deleted}} > >> + > >> + Noncopyable cc1 = (Noncopyable)Noncopyable(); > >> + Noncopyable cc2 = (Noncopyable)Derived(); // expected-error {{deleted}} > >> + > >> + Noncopyable fc1 = Noncopyable(Noncopyable()); > >> + Noncopyable fc2 = Noncopyable(Derived()); // expected-error {{deleted}} > >> + > >> + // We must check for a complete type for every materialized temporary. > >> (Note > >> + // that in the special case of the top level of a decltype, no > >> temporary is > >> + // materialized.) > >> + make_incomplete(); // expected-error {{incomplete}} > >> + make_incomplete().a; // expected-error {{incomplete}} > >> + make_incomplete().*(int Incomplete::*)nullptr; // expected-error > >> {{incomplete}} > >> + dynamic_cast<Incomplete&&>(make_incomplete()); // expected-error > >> {{incomplete}} > >> + const_cast<Incomplete&&>(make_incomplete()); // expected-error > >> {{incomplete}} > >> + > >> + sizeof(Indestructible{}); // expected-error {{deleted}} > >> + sizeof(make_indestructible()); // expected-error {{deleted}} > >> + sizeof(make_incomplete()); // expected-error {{incomplete}} > >> + typeid(Indestructible{}); // expected-error {{deleted}} > >> + typeid(make_indestructible()); // expected-error {{deleted}} > >> + typeid(make_incomplete()); // expected-error {{incomplete}} > >> + > >> + // FIXME: The first two cases here are now also valid in C++17 onwards. > >> + using I = decltype(Indestructible()); // expected-error {{deleted}} > >> + using I = decltype(Indestructible{}); // expected-error {{deleted}} > >> + using I = decltype(make_indestructible()); > >> + using J = decltype(make_incomplete()); > >> + > >> + Noncopyable cond1 = b ? Noncopyable() : make(); > >> + Noncopyable cond2 = b ? Noncopyable() : Derived(); // expected-error > >> {{incompatible}} > >> + Noncopyable cond3 = b ? Derived() : Noncopyable(); // expected-error > >> {{incompatible}} > >> + Noncopyable cond4 = b ? Noncopyable() : nc1; // expected-error > >> {{deleted}} > >> + Noncopyable cond5 = b ? nc1 : Noncopyable(); // expected-error > >> {{deleted}} > >> + // Could convert both to an xvalue of type Noncopyable here, but we're > >> not > >> + // permitted to consider that. > >> + Noncopyable &&cond6 = b ? Noncopyable() : Derived(); // expected-error > >> {{incompatible}} > >> + Noncopyable &&cond7 = b ? Derived() : Noncopyable(); // expected-error > >> {{incompatible}} > >> + // Could convert both to a const lvalue of type Noncopyable here, but > >> we're > >> + // not permitted to consider that, either. > >> + const Noncopyable cnc; > >> + const Noncopyable &cond8 = b ? cnc : Derived(); // expected-error > >> {{incompatible}} > >> + const Noncopyable &cond9 = b ? Derived() : cnc; // expected-error > >> {{incompatible}} > >> + > >> + extern const volatile Noncopyable make_cv(); > >> + Noncopyable cv_difference1 = make_cv(); > >> + const volatile Noncopyable cv_difference2 = make(); > >> +} > >> + > >> +template<typename T> struct ConversionFunction { operator T(); }; > >> +Noncopyable cf1 = ConversionFunction<Noncopyable>(); > >> +Noncopyable cf2 = ConversionFunction<Noncopyable&&>(); // expected-error > >> {{deleted}} > >> +Noncopyable cf3 = ConversionFunction<const volatile Noncopyable>(); > >> +const volatile Noncopyable cf4 = ConversionFunction<Noncopyable>(); > >> +Noncopyable cf5 = ConversionFunction<Derived>(); // expected-error > >> {{deleted}} > >> + > >> +struct AsMember { > >> + Noncopyable member; > >> + AsMember() : member(make()) {} > >> +}; > >> +// FIXME: DR (no number yet): we still get a copy for base or delegating > >> construction. > >> +struct AsBase : Noncopyable { > >> + AsBase() : Noncopyable(make()) {} // expected-error {{deleted}} > >> +}; > >> +struct AsDelegating final { > >> + AsDelegating(const AsDelegating &) = delete; > >> + static AsDelegating make(int); > >> + > >> + // The base constructor version of this is problematic; the complete > >> object > >> + // version would be OK. Perhaps we could allow copy omission here for > >> final > >> + // classes? > >> + AsDelegating(int n) : AsDelegating(make(n)) {} // expected-error > >> {{deleted}} > >> +}; > >> > >> Modified: cfe/trunk/www/cxx_dr_status.html > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/www/cxx_dr_status.html?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/www/cxx_dr_status.html (original) > >> +++ cfe/trunk/www/cxx_dr_status.html Tue Dec 6 17:52:28 2016 > >> @@ -6139,7 +6139,7 @@ and <I>POD class</I></td> > >> <td><a > >> href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1054";>1054</a></td> > >> <td>C++11</td> > >> <td>Lvalue-to-rvalue conversions in expression statements</td> > >> - <td class="none" align="center">Unknown</td> > >> + <td class="none" align="center">No</td> > >> </tr> > >> <tr id="1055"> > >> <td><a > >> href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1055";>1055</a></td> > >> > >> Modified: cfe/trunk/www/cxx_status.html > >> URL: > >> http://llvm.org/viewvc/llvm-project/cfe/trunk/www/cxx_status.html?rev=288866&r1=288865&r2=288866&view=diff > >> ============================================================================== > >> --- cfe/trunk/www/cxx_status.html (original) > >> +++ cfe/trunk/www/cxx_status.html Tue Dec 6 17:52:28 2016 > >> @@ -694,7 +694,7 @@ as the draft C++1z standard evolves. > >> <tr> > >> <td>Guaranteed copy elision</td> > >> <td><a href="http://wg21.link/p0135r1";>P0135R1</a></td> > >> - <td class="none" align="center">No</td> > >> + <td class="svn" align="center">SVN</td> > >> </tr> > >> <tr> > >> <td rowspan=2>Stricter expression evaluation order</td> > >> > >> > >> _______________________________________________ > >> cfe-commits mailing list > >> cfe-commits@lists.llvm.org > >> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits > > > > _______________________________________________ > cfe-commits mailing list > cfe-commits@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits > _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
