[Bug sanitizer/56425] New: debug info is broken with -fsanitize=address

[kcc at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56425

             Bug #: 56425
           Summary: debug info is broken with -fsanitize=address
    Classification: Unclassified
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: sanitizer
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: kcc@gcc.gnu.org
                CC: dodji@gcc.gnu.org, dvyukov@gcc.gnu.org,
                    jakub@gcc.gnu.org, kcc@gcc.gnu.org


r196201

addr2line can not properly symbolize asan-ified binaries

% g++  -gdwarf-3 -fsanitize=address ./use-after-free.cc -static-libasan ;
./a.out  2>&1 | grep '#0'
    #0 0x4179c2 (/home/kcc/tmp/a.out+0x4179c2)
    #0 0x40f18a (/home/kcc/tmp/a.out+0x40f18a)
    #0 0x40f26a (/home/kcc/tmp/a.out+0x40f26a)
% addr2line -f -e ./a.out 0x4179c2 0x40f18a 0x40f26a 
main
/home/kcc/tmp/./use-after-free.cc:22
free
??:0
malloc
??:0
% g++  -g -fsanitize=address ./use-after-free.cc -static-libasan ; ./a.out 
2>&1 | grep '#0'
    #0 0x4179c2 (/home/kcc/tmp/a.out+0x4179c2)
    #0 0x40f18a (/home/kcc/tmp/a.out+0x40f18a)
    #0 0x40f26a (/home/kcc/tmp/a.out+0x40f26a)
% addr2line -f -e ./a.out 0x4179c2 0x40f18a 0x40f26a 
main
??:0
free
??:0
malloc
??:0
%