[Bug c++/14065] Crash when loading symbols from C++11 / gcc 4.7binary

["tromey at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=14065

Tom Tromey <tromey at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tromey at redhat dot com

--- Comment #2 from Tom Tromey <tromey at redhat dot com> 2012-05-21 20:23:18 UTC ---
It's a bug in the demangler.  Valgrind shows:

barimba. echo
_ZN4modc6parser8sequenceINS_9astParser13LocatedParserINS0_9ParserRefINS2_UlRNS2_16TokenParserInputEE_EEEEEINS0_14OptionalParserINS2_18ListParserTemplateILNS_6tokens5Token4TypeE4EXadL_ZNSD_Ut_13parenthesizedEEEE6ParserINS4_INS0_6ParserIS5_NS_3ast10ExpressionEEEEEEEEENSA_INS4_INS2_22OneOfKeywordsToTParserINSJ_5StyleEEEEEEENS0_14SequenceParserIS5_INS0_18ExactElementParserIS5_EENSA_ISM_EEEEENS0_14RepeatedParserINS4_INS0_15TransformParserINSU_IS5_INS4_INSP_INSJ_10Annotation12RelationshipEEEEESX_EEENS2_UlNS2_3LocES12_ONS_5MaybeISK_EEE19_EEEEELb0EEEEEENSU_INS0_17ExtractParserTypeIT_E9InputTypeEINS0_8MaybeRefIS1F_E4TypeEDpNS1I_IT0_E4TypeEEEEOS1F_DpOS1L_
| valgrind --num-callers=50 ~/gnu/archer/build/libiberty/demangle 
==2911== Memcheck, a memory error detector
==2911== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al.
==2911== Using Valgrind-3.6.1 and LibVEX; rerun with -h for copyright info
==2911== Command: /home/tromey/gnu/archer/build/libiberty/demangle
==2911== 
==2911== Conditional jump or move depends on uninitialised value(s)
==2911==    at 0x405925: d_find_pack (cp-demangle.c:3697)
==2911==    by 0x405A25: d_find_pack (cp-demangle.c:3731)
==2911==    by 0x405A25: d_find_pack (cp-demangle.c:3731)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x405A25: d_find_pack (cp-demangle.c:3731)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x405A25: d_find_pack (cp-demangle.c:3731)
==2911==    by 0x405A25: d_find_pack (cp-demangle.c:3731)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x405A25: d_find_pack (cp-demangle.c:3731)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x405A25: d_find_pack (cp-demangle.c:3731)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x405A25: d_find_pack (cp-demangle.c:3731)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x405A25: d_find_pack (cp-demangle.c:3731)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x405A25: d_find_pack (cp-demangle.c:3731)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x4059FD: d_find_pack (cp-demangle.c:3728)
==2911==    by 0x407D49: d_print_comp (cp-demangle.c:4659)
==2911==    by 0x406F53: d_print_comp (cp-demangle.c:4336)
==2911==    by 0x406FEC: d_print_comp (cp-demangle.c:4348)
==2911==    by 0x406F53: d_print_comp (cp-demangle.c:4336)
==2911==    by 0x406FEC: d_print_comp (cp-demangle.c:4348)
==2911==    by 0x406171: d_print_comp (cp-demangle.c:3947)
==2911==    by 0x406B0B: d_print_comp (cp-demangle.c:4206)
==2911==    by 0x405F8E: d_print_comp (cp-demangle.c:3894)
==2911==    by 0x4057A0: cplus_demangle_print_callback (cp-demangle.c:3611)
==2911==    by 0x408FE6: d_demangle_callback (cp-demangle.c:5240)
==2911==    by 0x40903B: d_demangle (cp-demangle.c:5261)
==2911==    by 0x4090A5: cplus_demangle_v3 (cp-demangle.c:5418)
==2911==    by 0x409601: main (cp-demangle.c:5667)
==2911==

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