https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91162
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Mon Jul 15 12:48:47 2019 New Revision: 273492 URL: https://gcc.gnu.org/viewcvs?rev=273492&root=gcc&view=rev Log: 2019-07-15 Richard Biener <rguent...@suse.de> PR middle-end/91162 * tree-cfg.c (move_block_to_fn): When releasing a virtual PHI node make sure to replace all uses with something valid. * gcc.dg/autopar/pr91162.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/autopar/pr91162.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-cfg.c