https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113324
Bug ID: 113324 Summary: internal compiler error: in reload_combine_note_use, at postreload.c:1534 Product: gcc Version: 10.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: roland.illig at gmx dot de Target Milestone: --- Target: vax Created attachment 57035 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57035&action=edit preprocessed source causing the internal compiler error GCC 10.5.0 on NetBSD/x86_64, cross-built with target NetBSD/vax crashes: vax--netbsdelf-gcc -ftrapv -std=gnu99 -O2 -c cgram.c during RTL pass: postreload cgram.c: In function 'yyparse': cgram.c:218:1: internal compiler error: in reload_combine_note_use, at postreload.c:1534 218 | } | ^ 0xd6fcc3 reload_combine_note_use /home/rillig/proj/src/tools/gcc/../../external/gpl3/gcc.old/dist/gcc/postreload.c:1534 0xd70052 reload_combine_note_use /home/rillig/proj/src/tools/gcc/../../external/gpl3/gcc.old/dist/gcc/postreload.c:1596 0xd70052 reload_combine_note_use /home/rillig/proj/src/tools/gcc/../../external/gpl3/gcc.old/dist/gcc/postreload.c:1596 0xd6f694 reload_combine /home/rillig/proj/src/tools/gcc/../../external/gpl3/gcc.old/dist/gcc/postreload.c:1383 0xd6c093 reload_cse_regs /home/rillig/proj/src/tools/gcc/../../external/gpl3/gcc.old/dist/gcc/postreload.c:67 0xd71e8c execute /home/rillig/proj/src/tools/gcc/../../external/gpl3/gcc.old/dist/gcc/postreload.c:2334 Replacing -O2 with -Os doesn't crash. Removing -ftrapv doesn't crash.