Index: cfe/trunk/lib/StaticAnalyzer/Checkers/NonnullGlobalConstantsChecker.cpp
===================================================================
--- cfe/trunk/lib/StaticAnalyzer/Checkers/NonnullGlobalConstantsChecker.cpp
+++ cfe/trunk/lib/StaticAnalyzer/Checkers/NonnullGlobalConstantsChecker.cpp
@@ -73,9 +73,9 @@
     return;
 
   ProgramStateRef State = C.getState();
-  SVal V = State->getSVal(location.castAs<Loc>());
 
   if (isGlobalConstString(location)) {
+    SVal V = State->getSVal(location.castAs<Loc>());
     Optional<DefinedOrUnknownSVal> Constr = V.getAs<DefinedOrUnknownSVal>();
 
     if (Constr) {
Index: cfe/trunk/test/Analysis/novoidtypecrash.c
===================================================================
--- cfe/trunk/test/Analysis/novoidtypecrash.c
+++ cfe/trunk/test/Analysis/novoidtypecrash.c
@@ -0,0 +1,8 @@
+// RUN: %clang_analyze_cc1 -analyzer-checker=core %s
+a;
+b(void **c) { // no-crash
+  *c = a;
+  int *d;
+  b(&d);
+  *d;
+}