aaron.ballman added inline comments.

================
Comment at: clang/include/clang/Basic/DiagnosticSemaKinds.td:317
+  " with attribute 'no_caller_saved_registers'"
+  " or be compiled with '-mgeneral-regs-only'">,
+  InGroup<DiagGroup<"excessive-regsave">>;
----------------
pengfei wrote:
> aaron.ballman wrote:
> > Can you add a test case showing that `-mgeneral-regs-only` causes the 
> > diagnostic to be silenced?
> It's a driver only option. I think we are not suggested to invoke %clang out 
> of driver testsing, right?
Oh! I hadn't realized this was a driver-only option. Looking at it harder, I 
see that for x86, setting the driver option removes the x87, mmx, and sse 
features which we do have test coverage for. Thanks @pengfei for pointing that 
out, my request was already covered!


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D159068/new/

https://reviews.llvm.org/D159068

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