[Bug ipa/102388] [12 Regression] ICE in duplicate, at ipa-prop.c:4436 since r12-2523-g13586172d0b70c9d

[jamborm at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102388

--- Comment #2 from Martin Jambor <jamborm at gcc dot gnu.org> ---
I proposed a fix on the mailing list:
https://gcc.gnu.org/pipermail/gcc-patches/2021-September/580183.html