Fix a FIXME by improving a diagnostic, add a testcase for PR3048



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59167 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 1a85bf4..bf29bdf 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -2541,8 +2541,7 @@
       Diag(Loc, diag::warn_illegal_constant_array_size, Loc);
       T = FixedTy;
     } else {
-      // FIXME: This diagnostic needs work
-      Diag(Loc, diag::err_typecheck_illegal_vla, Loc);
+      Diag(Loc, diag::err_typecheck_field_variable_size, Loc);
       T = Context.IntTy;
       InvalidDecl = true;
     }