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authorFariborz Jahanian <fjahanian@apple.com>2012-02-02 00:49:12 +0000
committerFariborz Jahanian <fjahanian@apple.com>2012-02-02 00:49:12 +0000
commitc645ddf240efb112ff8f17371811deb3ebc1a5b5 (patch)
tree870eed23ef17135d561c082f77c0583eae277c32 /lib/Sema/SemaDecl.cpp
parent34ff062936ac78142a2c0dc8d1ae6a40df456819 (diff)
objc: don't crash if primary class is missing and continuation class
is declaring ivars. // rdar://10752081 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149573 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaDecl.cpp')
-rw-r--r--lib/Sema/SemaDecl.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 87bcfe9127..6ace744fc3 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -9045,6 +9045,8 @@ Decl *Sema::ActOnIvar(Scope *S,
: 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)) {