Use weaker atomics for ARM - #1346

Use weaker atomics for ARM#1346

Alan Andrade (Alan-S-Andrade) wants to merge 2 commits into

microsoft:mainmicrosoft/mimalloc:mainfrom

Alan-S-Andrade:experiment/weaker-arm-atomicsAlan-S-Andrade/mimalloc:experiment/weaker-arm-atomicsCopy head branch name to clipboard