Do not crash on binding concrete integer location.

llvm-svn: 74407
diff --git a/clang/lib/Analysis/RegionStore.cpp b/clang/lib/Analysis/RegionStore.cpp
index d45048d..6586419 100644
--- a/clang/lib/Analysis/RegionStore.cpp
+++ b/clang/lib/Analysis/RegionStore.cpp
@@ -1074,6 +1074,9 @@
 }
 
 const GRState *RegionStoreManager::Bind(const GRState *state, Loc L, SVal V) {
+  if (isa<loc::ConcreteInt>(L))
+    return state;
+
   // If we get here, the location should be a region.
   const MemRegion* R = cast<loc::MemRegionVal>(L).getRegion();