--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/SemaCXX/ms_wide_bitfield.cpp	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only -mms-bitfields -verify %s 2>&1
+
+struct A {
+  char a : 9; // expected-error{{width of bit-field 'a' (9 bits) exceeds size of its type (8 bits)}}
+  int b : 33; // expected-error{{width of bit-field 'b' (33 bits) exceeds size of its type (32 bits)}}
+  bool c : 9; // expected-error{{width of bit-field 'c' (9 bits) exceeds size of its type (8 bits)}}
+  bool d : 3;
+};
+
+int a[sizeof(A) == 1 ? 1 : -1];