commit 17612b1dbf4257c2378557319d6d2c8985134d05
author Fariborz Jahanian <fjahanian@apple.com> Thu Feb 02 00:49:12 2012 +0000
committer Fariborz Jahanian <fjahanian@apple.com> Thu Feb 02 00:49:12 2012 +0000
tree b2fea9d8f7bc655faeefb61935b623a02fe1e0c8
parent e1ffd49165485a7485fd4ae2c52606d7ae2b753a

objc: don't crash if primary class is missing and continuation class
is declaring ivars. // rdar://10752081

llvm-svn: 149573

clang/lib/Sema/SemaDecl.cpp

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 87bcfe9..6ace744 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -9045,6 +9045,8 @@
                                         : ObjCIvarDecl::None;
   // Must set ivar's DeclContext to its enclosing interface.
   ObjCContainerDecl *EnclosingDecl = cast<ObjCContainerDecl>(CurContext);
+  if (!EnclosingDecl || EnclosingDecl->isInvalidDecl())
+    return 0;
   ObjCContainerDecl *EnclosingContext;
   if (ObjCImplementationDecl *IMPDecl =
       dyn_cast<ObjCImplementationDecl>(EnclosingDecl)) {