Change WarnUnsupported to ErrorUnsupported (in name and in practice).
 - We are beyond the point where this shows up often and when it does
   generating miscompiled files is bad.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54836 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index ff7a20a..e408e9f 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -453,7 +453,7 @@
 //===----------------------------------------------------------------------===//
 
 Value *ScalarExprEmitter::VisitExpr(Expr *E) {
-  CGF.WarnUnsupported(E, "scalar expression");
+  CGF.ErrorUnsupported(E, "scalar expression");
   if (E->getType()->isVoidType())
     return 0;
   return llvm::UndefValue::get(CGF.ConvertType(E->getType()));