Author: kadir çetinkaya Date: 2024-02-21T09:52:19+01:00 New Revision: 50373506d570f3db1e1af7c13d46409736452f3a
URL: https://github.com/llvm/llvm-project/commit/50373506d570f3db1e1af7c13d46409736452f3a DIFF: https://github.com/llvm/llvm-project/commit/50373506d570f3db1e1af7c13d46409736452f3a.diff LOG: [clang] Preserve found-decl when constructing VarTemplateIds (#82265) Added: Modified: clang/include/clang/Sema/Sema.h clang/lib/Sema/SemaTemplate.cpp clang/test/AST/ast-dump-using.cpp Removed: ################################################################################ diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h index 89215bf3d1c69a..23e1a623a20d15 100644 --- a/clang/include/clang/Sema/Sema.h +++ b/clang/include/clang/Sema/Sema.h @@ -8538,7 +8538,7 @@ class Sema final { /// if the arguments are dependent. ExprResult CheckVarTemplateId(const CXXScopeSpec &SS, const DeclarationNameInfo &NameInfo, - VarTemplateDecl *Template, + VarTemplateDecl *Template, NamedDecl *FoundD, SourceLocation TemplateLoc, const TemplateArgumentListInfo *TemplateArgs); diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp index 1a975a8d0a0df5..7d3d665194add1 100644 --- a/clang/lib/Sema/SemaTemplate.cpp +++ b/clang/lib/Sema/SemaTemplate.cpp @@ -4958,11 +4958,10 @@ Sema::CheckVarTemplateId(VarTemplateDecl *Template, SourceLocation TemplateLoc, return Decl; } -ExprResult -Sema::CheckVarTemplateId(const CXXScopeSpec &SS, - const DeclarationNameInfo &NameInfo, - VarTemplateDecl *Template, SourceLocation TemplateLoc, - const TemplateArgumentListInfo *TemplateArgs) { +ExprResult Sema::CheckVarTemplateId( + const CXXScopeSpec &SS, const DeclarationNameInfo &NameInfo, + VarTemplateDecl *Template, NamedDecl *FoundD, SourceLocation TemplateLoc, + const TemplateArgumentListInfo *TemplateArgs) { DeclResult Decl = CheckVarTemplateId(Template, TemplateLoc, NameInfo.getLoc(), *TemplateArgs); @@ -4978,8 +4977,7 @@ Sema::CheckVarTemplateId(const CXXScopeSpec &SS, NameInfo.getLoc()); // Build an ordinary singleton decl ref. - return BuildDeclarationNameExpr(SS, NameInfo, Var, - /*FoundD=*/nullptr, TemplateArgs); + return BuildDeclarationNameExpr(SS, NameInfo, Var, FoundD, TemplateArgs); } void Sema::diagnoseMissingTemplateArguments(TemplateName Name, @@ -5066,9 +5064,9 @@ ExprResult Sema::BuildTemplateIdExpr(const CXXScopeSpec &SS, bool KnownDependent = false; // In C++1y, check variable template ids. if (R.getAsSingle<VarTemplateDecl>()) { - ExprResult Res = CheckVarTemplateId(SS, R.getLookupNameInfo(), - R.getAsSingle<VarTemplateDecl>(), - TemplateKWLoc, TemplateArgs); + ExprResult Res = CheckVarTemplateId( + SS, R.getLookupNameInfo(), R.getAsSingle<VarTemplateDecl>(), + R.getRepresentativeDecl(), TemplateKWLoc, TemplateArgs); if (Res.isInvalid() || Res.isUsable()) return Res; // Result is dependent. Carry on to build an UnresolvedLookupEpxr. diff --git a/clang/test/AST/ast-dump-using.cpp b/clang/test/AST/ast-dump-using.cpp index 5a4e910ffb8654..8e5c60d3aabf4a 100644 --- a/clang/test/AST/ast-dump-using.cpp +++ b/clang/test/AST/ast-dump-using.cpp @@ -2,6 +2,7 @@ namespace a { struct S; +template <typename T> T x = {}; } namespace b { using a::S; @@ -21,4 +22,10 @@ typedef S e; // check the same UsingType is reused. // CHECK-NEXT: `-UsingType [[TYPE_ADDR]] 'a::S' sugar // CHECK-NEXT: |-UsingShadow [[SHADOW_ADDR]] 'S' // CHECK-NEXT: `-RecordType {{.*}} 'a::S' +using a::x; + +void foo() { + x<int> = 3; + // CHECK: DeclRefExpr {{.*}} 'x' {{.*}} (UsingShadow {{.*}} 'x') +} } _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
