analyzer: Fix embarrassing regression in BasicStore when invalidating struct
values passed-by-reference to unknown functions.

llvm-svn: 67519
diff --git a/clang/lib/Analysis/BasicStore.cpp b/clang/lib/Analysis/BasicStore.cpp
index b883f88..0126048 100644
--- a/clang/lib/Analysis/BasicStore.cpp
+++ b/clang/lib/Analysis/BasicStore.cpp
@@ -525,6 +525,10 @@
       // Punt on static variables for now.
       if (VD->getStorageClass() == VarDecl::Static)
         continue;
+      
+      // Only handle simple types that we can symbolicate.
+      if (!SymbolManager::canSymbolicate(VD->getType()))
+        continue;
 
       // Initialize globals and parameters to symbolic values.
       // Initialize local variables to undefined.