Fixup goto codegen in and around VLAs.

llvm-svn: 64014
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index 2b365c9..f5a802f 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -24,7 +24,7 @@
 
 CodeGenFunction::CodeGenFunction(CodeGenModule &cgm) 
   : CGM(cgm), Target(CGM.getContext().Target), SwitchInsn(NULL), 
-    CaseRangeBlock(NULL) {
+    CaseRangeBlock(NULL), StackDepth(0) {
     LLVMIntTy = ConvertType(getContext().IntTy);
     LLVMPointerWidth = Target.getPointerWidth(0);
 }