rupprecht abandoned this revision.
rupprecht added a comment.

In D71635#1790611 <https://reviews.llvm.org/D71635#1790611>, @MaskRay wrote:

> Before:
>
>   % clang -frounding-math -fsyntax-only -x c /dev/null
>   clang-10: warning: Support for floating point control option frounding-math 
> is incomplete and experimental [-Wexperimental-float-control]
>
>
> CC1 will do rounding math things.
>
> After
>
>   % clang -frounding-math -fsyntax-only -x c /dev/null
>   clang-10: warning: optimization flag '-frounding-math' is not supported 
> [-Wignored-optimization-argument]
>
>
> CC1 will not do rounding math things. -fexperimental-rounding-math if the 
> user really wants to use the feature.
>
> Is my understanding correct? If yes, this patch seems pretty reasonable to 
> me, because -frounding-math is currently incomplete/unsafe.
>
> You may consider not changing CC1 options as they are not user facing.


I landed D71671 <https://reviews.llvm.org/D71671> instead, as apparently the 
-frounding-math option is safe, although perhaps incomplete


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71635/new/

https://reviews.llvm.org/D71635



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