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| author | Fariborz Jahanian <fjahanian@apple.com> | 2009-04-23 21:49:04 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2009-04-23 21:49:04 +0000 |
| commit | 77a6be4826d1752ba834fddbbf3114f70cda2be5 (patch) | |
| tree | 0c0b42e22d0682b5f71ffbb100fda9a704dbeecf /lib/Sema/SemaDeclObjC.cpp | |
| parent | f9df1362f0f2768ddab01fbf8d60c4808e641162 (diff) | |
Diagnose if an implementation implements a forward class
declaration (and avoid issuing bogus error later on).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69928 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaDeclObjC.cpp')
| -rw-r--r-- | lib/Sema/SemaDeclObjC.cpp | 4 |
1 files changed, 3 insertions, 1 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 |