Add __fastfail for Windows on arm/aarch64#75990

Merged

bors merged 4 commits intorust-lang:masterfrom

rylev:arm-fastfail

Aug 30, 2020

Commits on Aug 27, 2020

Add __fastfail for Windows on arm/aarch64
rylev
committed

Commits on Aug 28, 2020

Commits on Aug 29, 2020

Explicitly look for 'thumb-mode' before using __fastfail on 'arm'
rylev
committed