Summary:
-minline-all-stringops is a x86 only option, and will not work on other architectures.
Thus remove it for other architectures.
Test Plan:
Build on other architectures. I cherry-picked this to AOSC OS packaging and it has built successfully on amd64, arm64, riscv64, ppc64el, loongson3, loongarch64.
Or, manually run this script and see that - only on x86 - it prints the mentioned flag:
php support/xhpast/bin/xhpast-generate-release-cppflags.php
Reviewers: O1 Blessed Committers, valerio.bozzolan
Reviewed By: O1 Blessed Committers, valerio.bozzolan
Subscribers: aklapper, tobiaswiese, valerio.bozzolan, Matthew, Cigaryno
Differential Revision: https://we.phorge.it/D25871
