https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81464
Bug ID: 81464 Summary: [8 Regression] ICE in expand_omp_for_static_chunk, at omp-expand.c:4236 Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: rguenth at gcc dot gnu.org Target Milestone: --- Starting from r247495, we ICE on: $ gcc /home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/matmul_15.f90 -O1 --param parloops-chunk-size=2 -ftree-parallelize-loops=2 during GIMPLE pass: ompexpssa /home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/matmul_15.f90:28:0: sm = sm + sum(c) internal compiler error: in expand_omp_for_static_chunk, at omp-expand.c:4236 0xacdfd4 expand_omp_for_static_chunk ../../gcc/omp-expand.c:4236 0xad70b6 expand_omp_for ../../gcc/omp-expand.c:5840 0xad845a expand_omp ../../gcc/omp-expand.c:7903 0xad8666 expand_omp ../../gcc/omp-expand.c:7889 0xadae3d execute_expand_omp ../../gcc/omp-expand.c:8127