https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84969
Bug ID: 84969 Summary: [8 Regression] Wrong code with -ftree-loop-distribute-patterns Product: gcc Version: unknown Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: amker at gcc dot gnu.org Target Milestone: --- Created attachment 43711 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43711&action=edit test-case Starting from r253859 we generate wrong code for: $ gcc -O2 isolate.c && ./a.out retval: {{{0,1},{2,3}}} $ gcc -O2 isolate.c -ftree-loop-distribute-patterns && ./a.out retval: {{ Aborted (core dumped)