Re: [PATCH] PR ld/20828: Move symbol version processing ahead of GC symbol sweep

[Alan Modra <amodra at gmail dot com>]

On Wed, Feb 15, 2017 at 04:38:46PM +0000, Maciej W. Rozycki wrote:
> ... I can't reproduce this...

valgrind reports uninitialized writes, so some luck is involved in
getting the test to fail.

If I put MALLOC_PERTURB_=1 in my environment then the test passes but
readelf -s --wide tmpdir/rdynamic-1 shows:

Symbol table '.dynsym' contains 18 entries:
   Num:    Value          Size Type    Bind   Vis      Ndx Name
     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT  UND 
     1: 0000000000000000     0 FUNC    GLOBAL DEFAULT  UND __libc_start_main@GLIBC_2.2.5 (2)
     2: 0000000000000000     0 NOTYPE  WEAK   DEFAULT  UND __gmon_start__
     3: 0000000000601024     0 NOTYPE  GLOBAL DEFAULT   25 _edata
     4: 0000000000601020     0 NOTYPE  GLOBAL DEFAULT   25 __data_start
     5: fefefefefefefefe 0xfefefefefefefefe <processor specific>: 14 <processor specific>: 15 HIDDEN  [<other>: fc]  bad section index[65278] <corrupt>
     6: 0000000000601028     0 NOTYPE  GLOBAL DEFAULT   26 _end
     7: 0000000000601020     0 NOTYPE  WEAK   DEFAULT   25 data_start
     8: 00000000004007e0     4 OBJECT  GLOBAL DEFAULT   16 _IO_stdin_used
     9: 0000000000400760   101 FUNC    GLOBAL DEFAULT   14 __libc_csu_init
    10: 0000000000400650    42 FUNC    GLOBAL DEFAULT   14 _start
    11: 0000000000601024     0 NOTYPE  GLOBAL DEFAULT   26 __bss_start
    12: 0000000000400640     3 FUNC    GLOBAL DEFAULT   14 main
    13: fefefefefefefefe 0xfefefefefefefefe <processor specific>: 14 <processor specific>: 15 HIDDEN  [<other>: fc]  bad section index[65278] <corrupt>
    14: 00000000004005f0     0 FUNC    GLOBAL DEFAULT   11 _init
    15: 00000000004007d0     2 FUNC    GLOBAL DEFAULT   14 __libc_csu_fini
    16: 00000000004007d4     0 FUNC    GLOBAL DEFAULT   15 _fini
    17: 0000000000400750     2 FUNC    GLOBAL DEFAULT   14 rdynamic

-- 
Alan Modra
Australia Development Lab, IBM