diff --git a/lib/Sema/ScopeInfo.cpp b/lib/Sema/ScopeInfo.cpp
index 7a9d917..76f967d 100644
--- a/lib/Sema/ScopeInfo.cpp
+++ b/lib/Sema/ScopeInfo.cpp
@@ -115,7 +115,7 @@
 }
 
 void FunctionScopeInfo::markSafeWeakUse(const Expr *E) {
-  E = E->IgnoreParenImpCasts();
+  E = E->IgnoreParenCasts();
 
   if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E)) {
     markSafeWeakUse(POE->getSyntacticForm());