Re: [PATCH] Fix PR middle-end/80823, ICE: verify_flow_info failed

2017-05-24 Thread Peter Bergner
On 5/24/17 2:15 AM, Richard Biener wrote: > On May 23, 2017 7:46:59 PM GMT+02:00, Peter Bergner > wrote: >> gcc/ >> PR middle-end/80823 >> * tree-cfg.c (group_case_labels_stmt): Delete increment of "i"; >> >> gcc/testsuite/ >> PR middle-end/80823 >> * gcc.dg/pr80823.c: New tes

Re: [PATCH] Fix PR middle-end/80823, ICE: verify_flow_info failed

2017-05-24 Thread Richard Biener
On May 23, 2017 7:46:59 PM GMT+02:00, Peter Bergner wrote: >The fix for PR80775 included a thinko bug that caused us to skip some >case label statements. This leads to problems for test cases where we >have multiple case labels that point to the same unreachable block, but >are not mergeable sin