https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114116
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |NEW Assignee|hjl.tools at gmail dot com |unassigned at gcc dot gnu.org --- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Jakub Jelinek from comment #5) > Yeah. Not to mention, one can call backtrace even if -g0; you just don't > get nice names for the addresses. Without the patch you get crashes in the > unwinder when doing backtrace. Should we generate REG_CFA_UNDEFINED for unsaved callee-saved registers to help unwinder: https://patchwork.sourceware.org/project/gcc/list/?series=30327