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/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index bfcddd2..daad062 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -52,7 +52,7 @@
       else
         EmitAggExpr(E, 0, false);
     } else {
-      WarnUnsupported(S, "statement");
+      ErrorUnsupported(S, "statement");
     }
     break;
   case Stmt::NullStmtClass: break;