clang/test/Driver/windows-seh-async-verify.cpp

   1 // RUN: %clang --target=x86_64-pc-windows -fasync-exceptions -fsyntax-only -### %s 2>&1 | FileCheck %s
   2 // RUN: %clang_cl --target=x86_64-pc-windows /EHa -fsyntax-only -### -- %s 2>&1 | FileCheck %s
   3 // RUN: %clang --target=x86_64-pc-windows-gnu -fasync-exceptions -fsyntax-only -### %s 2>&1 | FileCheck %s --check-prefixes=GNU-ALL,GNU
   4 // RUN: %clang_cl --target=x86_64-pc-windows-gnu /EHa -fsyntax-only -### -- %s 2>&1 | FileCheck %s --check-prefixes=GNU-ALL,CL-GNU
   5
   6 // CHECK-NOT: warning
   7 // GNU: warning: argument unused during compilation: '-fasync-exceptions' [-Wunused-command-line-argument]
   8 // CL-GNU: warning: argument unused during compilation: '/EHa' [-Wunused-command-line-argument]
   9
  10 // CHECK: -fasync-exceptions
  11 // GNU-ALL-NOT: -fasync-exceptions
  12 struct S {
  13     union _Un {
  14         ~_Un() {}
  15         char _Buf[12];
  16     };
  17     _Un _un;
  18 };
  19
  20 struct Embed {
  21     S v2;
  22 };
  23
  24 void PR62449() { Embed v{}; }