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| author | Raul Tambre <raul.tambre@cleveron.com> | 2020-09-18 20:07:05 +0300 |
|---|---|---|
| committer | Tom Stellard <tstellar@redhat.com> | 2020-12-14 19:43:12 -0500 |
| commit | fdab756331f322a9818c1bdf14d23d9cd6036c81 (patch) | |
| tree | 400440c4d40106274a2c3d597e8361a1b1c06691 | |
| parent | adf845300c9cc023d386d97b6ebeb1e82bd97763 (diff) | |
| download | llvm-fdab756331f322a9818c1bdf14d23d9cd6036c81.zip llvm-fdab756331f322a9818c1bdf14d23d9cd6036c81.tar.gz llvm-fdab756331f322a9818c1bdf14d23d9cd6036c81.tar.bz2 | |
[Sema] Handle objc_super special lookup when checking builtin compatibility
objc_super is special and needs LookupPredefedObjCSuperType() called before performing builtin type comparisons.
This fixes an error when compiling macOS headers. A test is added.
Differential Revision: https://reviews.llvm.org/D87917
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 1 | ||||
| -rw-r--r-- | clang/test/SemaObjCXX/builtin-objcsuper.mm | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index 2703d98..82c78e3 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -9643,6 +9643,7 @@ Sema::ActOnFunctionDeclarator(Scope *S, Declarator &D, DeclContext *DC, NewFD->addAttr(BuiltinAttr::CreateImplicit(Context, BuiltinID)); } else { ASTContext::GetBuiltinTypeError Error; + LookupPredefedObjCSuperType(*this, S, NewFD->getIdentifier()); QualType BuiltinType = Context.GetBuiltinType(BuiltinID, Error); if (!Error && !BuiltinType.isNull() && diff --git a/clang/test/SemaObjCXX/builtin-objcsuper.mm b/clang/test/SemaObjCXX/builtin-objcsuper.mm new file mode 100644 index 0000000..a6baf3c5 --- /dev/null +++ b/clang/test/SemaObjCXX/builtin-objcsuper.mm @@ -0,0 +1,8 @@ +// RUN: %clang_cc1 -verify %s +// expected-no-diagnostics + +// objc_super has special lookup rules for compatibility with macOS headers, so +// the following should compile. +struct objc_super {}; +extern "C" id objc_msgSendSuper(struct objc_super *super, SEL op, ...); +extern "C" void objc_msgSendSuper_stret(struct objc_super *super, SEL op, ...); |