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/CGExprComplex.cpp b/lib/CodeGen/CGExprComplex.cpp
index dacbd86..ba384e7 100644
--- a/lib/CodeGen/CGExprComplex.cpp
+++ b/lib/CodeGen/CGExprComplex.cpp
@@ -228,7 +228,7 @@
 //===----------------------------------------------------------------------===//
 
 ComplexPairTy ComplexExprEmitter::VisitExpr(Expr *E) {
-  CGF.WarnUnsupported(E, "complex expression");
+  CGF.ErrorUnsupported(E, "complex expression");
   const llvm::Type *EltTy = 
     CGF.ConvertType(E->getType()->getAsComplexType()->getElementType());
   llvm::Value *U = llvm::UndefValue::get(EltTy);