[Bug rtl-optimization/119607] [15 regression] glib miscompiled since r15-7895-gb191e8bdecf881 with -O3 -m32 -march=x86-64 -mtune=znver2 -fno-semantic-interposition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119607 --- Comment #19 from Philip Withnall --- Thanks both, that’s quite an old latent bug fixed :)

[Bug middle-end/32911] Function __attribute__ ((idempotent))

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32911 --- Comment #5 from Philip Withnall --- Bug filed against Clang with the same request here: https://bugs.llvm.org/show_bug.cgi?id=34600