diff options
| author | Fariborz Jahanian <fjahanian@apple.com> | 2011-09-26 21:23:35 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2011-09-26 21:23:35 +0000 |
| commit | a6b33808ef7e80ab68a052c97dab9077dca159c5 (patch) | |
| tree | 02e12f21fd0196eafba107cc8564c43f202141ab | |
| parent | 9f36062866e6e4bbbfd3efce85fcfb1ce62df97f (diff) | |
objc-arc: mark functions which return types which can't be dealt with
in arc mode and are in system headers as unavailable.
// rdar://10186625
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140565 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Sema/SemaDeclAttr.cpp | 4 | ||||
| -rw-r--r-- | test/SemaObjC/arc-unavailable-system-function.m | 13 |
2 files changed, 16 insertions, 1 deletions
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp index 88c89f21bd..6e0dc8f4a9 100644 --- a/lib/Sema/SemaDeclAttr.cpp +++ b/lib/Sema/SemaDeclAttr.cpp @@ -3758,7 +3758,9 @@ static bool isForbiddenTypeAllowed(Sema &S, Decl *decl) { // Private ivars are always okay. Unfortunately, people don't // always properly make their ivars private, even in system headers. // Plus we need to make fields okay, too. - if (!isa<FieldDecl>(decl) && !isa<ObjCPropertyDecl>(decl)) + // Function declarations in sys headers will be marked unavailable. + if (!isa<FieldDecl>(decl) && !isa<ObjCPropertyDecl>(decl) && + !isa<FunctionDecl>(decl)) return false; // Require it to be declared in a system header. diff --git a/test/SemaObjC/arc-unavailable-system-function.m b/test/SemaObjC/arc-unavailable-system-function.m new file mode 100644 index 0000000000..d4f1095a4a --- /dev/null +++ b/test/SemaObjC/arc-unavailable-system-function.m @@ -0,0 +1,13 @@ +// RUN: %clang_cc1 -fsyntax-only -triple x86_64-apple-darwin11 -fobjc-arc -fobjc-nonfragile-abi -verify %s +// rdar://10186625 + +# 1 "<command line>" +# 1 "/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h" 1 3 +id * foo(); // expected-note {{function has been explicitly marked unavailable here}} + +# 1 "arc-unavailable-system-function.m" 2 +void ret() { + foo(); // expected-error {{'foo' is unavailable: this system declaration uses an unsupported type}} +} + + |