http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55466
Bug #: 55466 Summary: [4.8 Regression] Revision 191466 destroyed DWARF debug info Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: lto AssignedTo: unassig...@gcc.gnu.org ReportedBy: hjl.to...@gmail.com CC: hubi...@gcc.gnu.org On Linux/x86-64, after revision 191466: http://gcc.gnu.org/ml/gcc-cvs/2012-09/msg00623.html GCC configured with --enable-bootstrap --with-build-config=bootstrap-lto lost debug info on data: gnu-mic-2:pts/4[441]> gdb gcc/cc1 GNU gdb (GDB) 7.5.50.20121119-cvs Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-unknown-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /export/project/git/gcc-regression-bootstrap/master/191466/bld/gcc/cc1...done. (gdb) whatis global_options type = <data variable, no debug info> (gdb) whatis cl_options type = <data variable, no debug info> (gdb) whatis cl_enums type = <data variable, no debug info> (gdb) whatis cl_enums_count type = <data variable, no debug info> (gdb) whatis global_options_set type = <data variable, no debug info> (gdb) whatis sched_max_luid type = <data variable, no debug info> (gdb)