Update for LLVM API change.

llvm-svn: 75869
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index bd751ad..377834d 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -31,7 +31,7 @@
                                                     const char *Name) {
   if (!Builder.isNamePreserving())
     Name = "";
-  return new llvm::AllocaInst(VMContext, Ty, 0, Name, AllocaInsertPt);
+  return new llvm::AllocaInst(Ty, 0, Name, AllocaInsertPt);
 }
 
 /// EvaluateExprAsBool - Perform the usual unary conversions on the specified