https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103288
--- Comment #12 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The trunk branch has been updated by Andrew Pinski <pins...@gcc.gnu.org>: https://gcc.gnu.org/g:1a15a91a0015208eafb797e4de1348c9877fd6d0 commit r12-5333-g1a15a91a0015208eafb797e4de1348c9877fd6d0 Author: Andrew Pinski <apin...@marvell.com> Date: Tue Nov 16 23:37:08 2021 +0000 Fix PR 103288, ICE after PHI-OPT, move an assigment when still in use for another bb The problem is r12-5300-gf98f373dd822b35c allows phiopt to recognize more basic blocks but missed one location where phiopt could move an assignment from the middle block to the non-middle one. This patch fixes that. OK? Bootstrapped and tested on x86_64-linux-gnu with no regressions. PR tree-optimization/103288 gcc/ChangeLog: * tree-ssa-phiopt.c (value_replacement): Return early if middle block has more than one pred. gcc/testsuite/ChangeLog: * gcc.c-torture/compile/pr103288-1.c: New test.
