https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91403
Bug ID: 91403 Summary: GCC fails with ICE. Product: gcc Version: tree-ssa Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: vsevolod.livinskij at frtk dot ru Target Milestone: --- GCC fails with an internal compiler error. Sometimes the compilation takes about 12 minutes before it fails. Originally the bug was reported in r91178. Reproducer: extern int a[][1240092]; int b; void c() { for (int d = 2; d <= 9; d++) for (int e = 32; e <= 41; e++) b += a[d][5]; } Error: >$ gcc -march=skylake-avx512 -c -O3 small.c gcc: internal compiler error: Segmentation fault signal terminated program cc1 GCC version: gcc version 10.0.0 (rev. 274155)