https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65637
--- Comment #2 from vries at gcc dot gnu.org --- (In reply to vries from comment #1) > A patch like this will excercise the code: Indeed: ... $ grep -i 'internal compiler error' build/gcc/testsuite/gcc/gcc.log gcc/testsuite/gcc.dg/autopar/pr46099.c:17:3: internal compiler error: Segmentation fault gcc/testsuite/gcc.dg/autopar/pr46099.c:17:3: internal compiler error: Segmentation fault gcc/testsuite/gcc.dg/autopar/pr46099.c:17:3: internal compiler error: Segmentation fault FAIL: gcc.dg/autopar/pr46099.c (internal compiler error) gcc/testsuite/gcc.dg/autopar/pr46099.c:17:3: internal compiler error: Segmentation fault gcc/testsuite/gcc.dg/autopar/pr49580.c:24:9: internal compiler error: Segmentation fault gcc/testsuite/gcc.dg/autopar/pr49580.c:24:9: internal compiler error: Segmentation fault gcc/testsuite/gcc.dg/autopar/pr49580.c:24:9: internal compiler error: Segmentation fault FAIL: gcc.dg/autopar/pr49580.c (internal compiler error) gcc/testsuite/gcc.dg/autopar/pr49580.c:24:9: internal compiler error: Segmentation fault gcc/testsuite/gcc.dg/autopar/reduc-3.c:21:3: internal compiler error: Segmentation fault gcc/testsuite/gcc.dg/autopar/reduc-3.c:21:3: internal compiler error: Segmentation fault gcc/testsuite/gcc.dg/autopar/reduc-3.c:21:3: internal compiler error: Segmentation fault ... FAIL: gcc.dg/autopar/reduc-3.c (internal compiler error) gcc/testsuite/gcc.dg/autopar/reduc-3.c:21:3: internal compiler error: Segmentation fault