http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54726
Bug #: 54726 Summary: libbacktrace segfaults on gcc_asserts with stripped gcc Classification: Unclassified Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: other AssignedTo: unassig...@gcc.gnu.org ReportedBy: mar...@trippelsdorf.de On gcc installed with "make install-strip" libbacktrace outputs bogus "internal compiler error: Segmentation fault" on normal gcc_asserts. For example the testcase from Bug 54694 now prints: markus@x4 tmp % gcc -w -Wfatal-errors -mavx -m32 -c -O2 test.i test.i: In function ‘helper_fldl_ST0’: test.i:20:1: internal compiler error: in dwarf2out_frame_debug_expr, at dwarf2cfi.c:1532 } ^ test.i:20:1: internal compiler error: Segmentation fault gcc: internal compiler error: Segmentation fault (program cc1) [1] 6684 segmentation fault gcc -w -Wfatal-errors -mavx -m32 -c -O2 test.i and this also gets logged in syslog (from dmesg): cc1[6685]: segfault at 0 ip (null) sp 00007fffe5fa8828 error 14 in cc1[400000+a78000] gcc[6684]: segfault at 0 ip (null) sp 00007fff672976b8 error 14 in gcc[400000+97000]