https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110266
Bug ID: 110266 Summary: ice in gimple_range_adjustment Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- Created attachment 55326 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55326&action=edit C source code The attached C code does this with today's gcc trunk: $ ~/gcc/results/bin/gcc -c -O2 bug933.c during GIMPLE pass: vrp blockswitch.c: In function ‘PsyBufferUpdate’: blockswitch.c:347:13: internal compiler error: tree check: expected integer_cst, have real_cst in to_wide, at tree.h:6314 0x1151782 tree_check_failed(tree_node const*, char const*, int, char const*, ...) ../../trunk.year/gcc/tree.cc:8899 0x1b773a1 gimple_range_adjustment(vrange&, gimple const*) ../../trunk.year/gcc/gimple-range-fold.cc:0 It seems to have gone wrong sometime between 20230609 and 20230611. Git hashes g:067a8c7cb897b6a1 and g:20c85207abd543c7. I will have a go at reducing the code.