http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59258
--- Comment #11 from Tobias Burnus <burnus at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #10) > Created attachment 31289 [details] > Untested fix for the dwarf2out.c ICE. Seem to solve the problem with both -g and no "-g" for one unreduced test file. Thanks! > Perhaps my > * ubsan.c (ubsan_source_location): Don't crash on unknown locations. > change will be unneeded now? Possibly yes; when I revert it, PR59250's test case still passes and also the unreduced test case (for this PR's problem) passes. (I will try the bigger code tomorrow.)