https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100600
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Martin Liska <mar...@gcc.gnu.org>: https://gcc.gnu.org/g:64336a85c96ef91f863bd8e86aa5002c3c69f386 commit r11-8870-g64336a85c96ef91f863bd8e86aa5002c3c69f386 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.