Initialize tracked local variables to undefined.

llvm-svn: 54716
diff --git a/clang/lib/Analysis/SymbolManager.cpp b/clang/lib/Analysis/SymbolManager.cpp
index f243fa66..beb4379 100644
--- a/clang/lib/Analysis/SymbolManager.cpp
+++ b/clang/lib/Analysis/SymbolManager.cpp
@@ -18,7 +18,8 @@
 
 SymbolID SymbolManager::getSymbol(VarDecl* D) {
 
-  assert (isa<ParmVarDecl>(D) || D->hasGlobalStorage());
+  assert (isa<ParmVarDecl>(D) || isa<ImplicitParamDecl>(D) || 
+          D->hasGlobalStorage());
   
   llvm::FoldingSetNodeID profile;