https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103050
Bug ID: 103050 Summary: [12 Regression] 520.omnetpp_r miscompiled after r12-4787-gb8ef019ab938471f Product: gcc Version: 12.0 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: hubicka at gcc dot gnu.org Target Milestone: --- The benchmark crashes with: **************************************** Contents of omnetpp.General-0.err **************************************** munmap_chunk(): invalid pointer with -march=znver1 (or znver3) -O3 -flto