https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89354
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Thu Feb 14 23:12:26 2019 New Revision: 268914 URL: https://gcc.gnu.org/viewcvs?rev=268914&root=gcc&view=rev Log: PR rtl-optimization/89354 * combine.c (make_extraction): Punt if extraction_mode is narrower than len bits. * gcc.dg/pr89354.c: New test. Added: branches/gcc-8-branch/gcc/testsuite/gcc.dg/pr89354.c Modified: branches/gcc-8-branch/gcc/ChangeLog branches/gcc-8-branch/gcc/combine.c branches/gcc-8-branch/gcc/testsuite/ChangeLog