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Allow pseudo-destructor calls on forward-declared Objective-C class pointers. 

rdar://18522255

llvm-svn: 255531
This commit is contained in:
John McCall 2015-12-14 19:12:54 +00:00
parent c5f510bc23
commit 9d145df4c8
2 changed files with 29 additions and 1 deletions
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7
clang/lib/Sema/SemaExprCXX.cpp
View File

@ -5736,9 +5736,14 @@ ExprResult Sema::ActOnStartCXXMemberReference(Scope *S, Expr *Base,
//
// This also indicates that we could be parsing a pseudo-destructor-name.
// Note that Objective-C class and object types can be pseudo-destructor
// expressions or normal member (ivar or property) access expressions.
// expressions or normal member (ivar or property) access expressions, and
// it's legal for the type to be incomplete if this is a pseudo-destructor
// call. We'll do more incomplete-type checks later in the lookup process,
// so just skip this check for ObjC types.
if (BaseType->isObjCObjectOrInterfaceType()) {
ObjectType = ParsedType::make(BaseType);
MayBePseudoDestructor = true;
return Base;
} else if (!BaseType->isRecordType()) {
ObjectType = ParsedType();
MayBePseudoDestructor = true;

23
clang/test/SemaObjCXX/pseudo-destructor.mm Normal file
View File

@ -0,0 +1,23 @@
// RUN: %clang_cc1 -fsyntax-only -verify %s
// expected-no-diagnostics
__attribute__((objc_root_class))
@interface Root
@end
@class Forward;
template <class T> void destroyPointer(T *t) {
t->~T();
}
template <class T> void destroyReference(T &t) {
t.~T();
}
template void destroyPointer<Root*>(Root **);
template void destroyReference<Root*>(Root *&);
// rdar://18522255
template void destroyPointer<Forward*>(Forward **);
template void destroyReference<Forward*>(Forward *&);