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| author | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2012-03-13 01:09:36 +0000 |
|---|---|---|
| committer | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2012-03-13 01:09:36 +0000 |
| commit | cd707abbc758149d9f7d37bd0b25298455c678b2 (patch) | |
| tree | 3eff0bb6d40f23d603990709797bf4e031de642c /lib/Sema | |
| parent | 78dae24600a877f52dbb6e58bfd5778754a00974 (diff) | |
Fix crash at @implementation with a forward reference as base class.
rdar://11020003
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152596 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema')
| -rw-r--r-- | lib/Sema/SemaDeclObjC.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp index 27bdcd6c8c..d224f1058a 100644 --- a/lib/Sema/SemaDeclObjC.cpp +++ b/lib/Sema/SemaDeclObjC.cpp @@ -925,6 +925,8 @@ Decl *Sema::ActOnStartClassImplementation( Diag(PrevDecl->getLocation(), diag::note_previous_definition); } else { SDecl = dyn_cast_or_null<ObjCInterfaceDecl>(PrevDecl); + if (SDecl && !SDecl->hasDefinition()) + SDecl = 0; if (!SDecl) Diag(SuperClassLoc, diag::err_undef_superclass) << SuperClassname << ClassName; |