http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51852
--- Comment #8 from Nathan Ridge <zeratul976 at hotmail dot com> 2012-01-14 08:40:35 UTC --- (In reply to comment #6) > (In reply to comment #2) > > you could also try building with --enable-checking=valgrind > > When I try to build gcc with --enable-checking=valgrind, I get the following > error: > > --13242-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x2a > > valgrind: m_debuginfo/readdwarf.c:2292 (copy_convert_CfiExpr_tree): Assertion > 'srcix >= 0 && srcix < VG_(sizeXA)(srcxa)' failed. > ==13242== at 0x3802B1F7: ??? (in /usr/lib/valgrind/memcheck-amd64-linux) I built valgrind from source and ran cc1plus under valgrind (this is what --enable-checking=valgrind would have done, right?). Attached is the valgrind output. Is there anything helpful in there?