https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82117
Bug ID: 82117 Summary: [8 Regression] SPEC CPU2017 502/602 compfail (ICE) Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: andrey.y.guskov at intel dot com Target Milestone: --- Since r251650, the following happens @ CPU2017 502 and 602: during GIMPLE pass: pre sel-sched.c: In function 'fill_vec_av_set': sel-sched.c:3689:1: internal compiler error: Segmentation fault fill_vec_av_set (av_set_t av, blist_t bnds, fence_t fence, ^ 0xc97776 crash_signal <------>../../../gcc/gcc/toplev.c:341 0xdd527d fini_eliminate <------>../../../gcc/gcc/tree-ssa-pre.c:4863 0xddd8a7 execute <------>../../../gcc/gcc/tree-ssa-pre.c:5201 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. lto-wrapper: fatal error: gcc returned 1 exit status compilation terminated. Option set: -m64 -march=core-avx2 -mfpmath=sse -Ofast -fno-associative-math -funroll-loops -flto -z muldefs -std=gnu89 -fopenmp