Fix: <rdar://problem/7468209> SymbolManager::isLive() should not crash on captured block variables that are passed by reference

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91348 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/Analysis/MemRegion.cpp b/lib/Analysis/MemRegion.cpp
index da45c4dfee..bc3a5b7045 100644
--- a/lib/Analysis/MemRegion.cpp
+++ b/lib/Analysis/MemRegion.cpp
@@ -165,6 +165,15 @@ MemRegionManager* SubRegion::getMemRegionManager() const {
   } while (1);
 }
 
+const StackFrameContext *VarRegion::getStackFrame() const {
+  const StackSpaceRegion *SSR = dyn_cast<StackSpaceRegion>(getMemorySpace());
+  return SSR ? SSR->getStackFrame() : NULL;
+}
+
+//===----------------------------------------------------------------------===//
+// FoldingSet profiling.
+//===----------------------------------------------------------------------===//
+
 void MemSpaceRegion::Profile(llvm::FoldingSetNodeID& ID) const {
   ID.AddInteger((unsigned)getKind());
 }