https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102302
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by hongtao Liu <liuho...@gcc.gnu.org>: https://gcc.gnu.org/g:c8e4cb8adf68730357888adf186ab2e686a220ad commit r12-3484-gc8e4cb8adf68730357888adf186ab2e686a220ad Author: liuhongt <hongtao....@intel.com> Date: Mon Sep 13 18:54:05 2021 +0800 Use gen_lowpart_if_possible instead of gen_lowpart to avoid ICE. gcc/ChangeLog: PR bootstrap/102302 * expmed.c (extract_bit_field_using_extv): Use gen_lowpart_if_possible instead of gen_lowpart to avoid ICE.