Commits on Jul 14, 2023

1. BLD: use -ftrapping-math with Clang on macOS …

   The distutils build also uses this flag, and it avoids some problems
   with `floor_divide` and similar functions (xref numpygh-19479).
   
   For older macOS arm64 Clang versions, the flag does get accepted, but then
   gets overridden because it's not actually supported - which yields these
   warnings:
   ```
   warning: overriding currently unsupported use of floating point exceptions on this target [-Wunsupported-floating-point-opt]
   ```
   Since they're a little annoying to suppress and will go away when updating to
   the latest XCode version, we'll ignore these warnings.

   

   rgommers authored and charris committed Jul 14, 2023
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