diff options
| -rw-r--r-- | lib/Sema/SemaDeclObjC.cpp | 4 | ||||
| -rw-r--r-- | test/SemaObjC/class-impl-1.m | 7 | ||||
| -rw-r--r-- | test/SemaObjC/synchronized.m | 2 |
3 files changed, 11 insertions, 2 deletions
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp index 3c544ed377..6702eb9a7a 100644 --- a/lib/Sema/SemaDeclObjC.cpp +++ b/lib/Sema/SemaDeclObjC.cpp @@ -623,8 +623,10 @@ Sema::DeclPtrTy Sema::ActOnStartClassImplementation( } else { // Is there an interface declaration of this class; if not, warn! IDecl = dyn_cast_or_null<ObjCInterfaceDecl>(PrevDecl); - if (!IDecl) + if (!IDecl || IDecl->isForwardDecl()) { Diag(ClassLoc, diag::warn_undef_interface) << ClassName; + IDecl = 0; + } } // Check that super class name is valid class name diff --git a/test/SemaObjC/class-impl-1.m b/test/SemaObjC/class-impl-1.m index 5cd8a75104..5a67bef3d6 100644 --- a/test/SemaObjC/class-impl-1.m +++ b/test/SemaObjC/class-impl-1.m @@ -31,3 +31,10 @@ typedef int INTF3; // expected-note {{previous definition is here}} @implementation INTF4 @end // expected-warning {{cannot find interface declaration for 'INTF4'}} +@class INTF5; + +@implementation INTF5 { // expected-warning {{cannot find interface declaration for 'INTF5'}} + int x; +} +@end + diff --git a/test/SemaObjC/synchronized.m b/test/SemaObjC/synchronized.m index e8e668fd8b..7131265b5b 100644 --- a/test/SemaObjC/synchronized.m +++ b/test/SemaObjC/synchronized.m @@ -1,6 +1,6 @@ // RUN: clang-cc -fsyntax-only -verify %s -@class PBXTrackableTaskManager; +@interface PBXTrackableTaskManager @end @implementation PBXTrackableTaskManager - (id) init {} |