https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97862
Bug ID: 97862 Summary: [11 Regression] ICE in expand_omp_for_init_vars, at omp-expand.c:2524 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Changed between 20200705 and 20200712 : $ cat z1.c void f () { int i, j; #pragma omp for collapse(2) for (i = 0; i < 1; ++i) for (j = 0; j < i; ++j); } $ gcc-11-20200705 -c z1.c -fopenmp $ $ gcc-11-20201115 -c z1.c -fopenmp during GIMPLE pass: ompexp z1.c: In function 'f': z1.c:4:9: internal compiler error: Segmentation fault 4 | #pragma omp for collapse(2) | ^~~ 0xb3b52f crash_signal ../../gcc/toplev.c:330 0x145ebc6 expand_omp_for_init_vars ../../gcc/omp-expand.c:2524 0x146be17 expand_omp_for_static_nochunk ../../gcc/omp-expand.c:5261 0x1474b6c expand_omp_for ../../gcc/omp-expand.c:8006 0x147537a expand_omp ../../gcc/omp-expand.c:9883 0x147725d execute_expand_omp ../../gcc/omp-expand.c:10115