rsmith accepted this revision.
rsmith added a comment.
Looks good to me.
================
Comment at: clang/lib/Sema/SemaExprCXX.cpp:6504-6516
// If we have function pointer types, unify them anyway to unify their
// exception specifications, if any.
if (LTy->isFunctionPointerType() || LTy->isMemberFunctionPointerType()) {
Qualifiers Qs = LTy.getQualifiers();
LTy = FindCompositePointerType(QuestionLoc, LHS, RHS,
/*ConvertArgs*/false);
LTy = Context.getQualifiedType(LTy, Qs);
----------------
Can we remove this `if` now? `getCommonSugaredType` should unify the exception
specifications so I think this stops being a special case.
================
Comment at: clang/lib/Sema/SemaExprCXX.cpp:6565-6572
// If we have function pointer types, unify them anyway to unify their
// exception specifications, if any.
if (LTy->isFunctionPointerType() || LTy->isMemberFunctionPointerType()) {
LTy = FindCompositePointerType(QuestionLoc, LHS, RHS);
assert(!LTy.isNull() && "failed to find composite pointer type for "
"canonically equivalent function ptr types");
+ return LTy;
----------------
Likewise here, can we remove this `if`?
================
Comment at: clang/test/SemaObjC/format-strings-objc.m:271
void testTypeOf(NSInteger dW, NSInteger dH) {
- NSLog(@"dW %d dH %d",({ __typeof__(dW) __a = (dW); __a < 0 ? -__a : __a;
}),({ __typeof__(dH) __a = (dH); __a < 0 ? -__a : __a; })); // expected-warning
2 {{format specifies type 'int' but the argument has type 'long'}}
+ NSLog(@"dW %d dH %d",({ __typeof__(dW) __a = (dW); __a < 0 ? -__a : __a;
}),({ __typeof__(dH) __a = (dH); __a < 0 ? -__a : __a; })); // expected-warning
2 {{values of type 'NSInteger' should not be used as format arguments; add an
explicit cast to 'long' instead}}
}
----------------
Not related to this patch, but this new diagnostic is in some ways worse than
the old one: casting to `long` doesn't fix the problem, given that the format
specifier here `%d` expects an `int`.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D111509/new/
https://reviews.llvm.org/D111509
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