https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100600
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Martin Liska <mar...@gcc.gnu.org>: https://gcc.gnu.org/g:b0de3ad2620d665ab481c2f24204f77f386ff6b2 commit r12-2920-gb0de3ad2620d665ab481c2f24204f77f386ff6b2 Author: Martin Liska <mli...@suse.cz> Date: Fri Aug 13 12:35:47 2021 +0200 ipa: ICF should check SSA_NAME_IS_DEFAULT_DEF PR ipa/100600 gcc/ChangeLog: * ipa-icf-gimple.c (func_checker::compare_ssa_name): Do not consider equal SSA_NAMEs when one is a param. gcc/testsuite/ChangeLog: * gcc.dg/ipa/pr100600.c: New test.