[Bug c++/54314] [4.8 Regression] undefined references to 'construction vtable for std::ostream-in-std::basic_ostringstream, std::allocator >'

[jojelino at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54314

--- Comment #4 from gee <jojelino at gmail dot com> 2012-08-20 16:15:41 UTC ---
(In reply to comment #3)
> --export-all-symbols didn't work at all.
> pick-reverting just one commit failed with conflict.
> 
> 
> [966](sec 86)(fl 0x00)(ty   0)(scl   2) (nx 0) 0x00000000 
> Contents of section .rdata$_ZNSt14numeric_limitsIdE14min_exponent10E:
>  0000 cdfeffff                          ....
> 
> following is one of the symbol that linker failed to include in shared 
> library.
> 
> __ZNSt14numeric_limitsIdE14min_exponent10E
>     .globl    __ZNSt14numeric_limitsIdE14min_exponent10E
>     .section    .rdata$_ZNSt14numeric_limitsIdE14min_exponent10E,"dr"
>     .align 4
> __ZNSt14numeric_limitsIdE14min_exponent10E:
>     .long    -307

objdump -p src/.libs/cygstdc++-6.dll |grep
"_ZNSt14numeric_limitsIdE14min_exponent10E"
        [1747] _ZNSt14numeric_limitsIdE14min_exponent10E
 85 .rdata$_ZNSt14numeric_limitsIdE14min_exponent10E 00000004  00000000 
00000000  00004644  2**2
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
above symbol was defined in dll, sorry for the noise.


$ objdump -p src/.libs/cygstdc++-6.dll |grep
"_ZTCSt13basic_fstreamIwSt11char_traitsIwEE0_St14basic_iostreamIwS1_E"


209 .rdata$_ZTCSt13basic_fstreamIwSt11char_traitsIwEE0_St14basic_iostreamIwS1_E
00000040  00000000  00000000  0000bd14  2**5
                  CONTENTS, ALLOC, LOAD, RELOC, READONLY, DATA,
LINK_ONCE_SAME_SIZE (COMDAT
__ZTCSt13basic_fstreamIwSt11char_traitsIwEE0_St14basic_iostreamIwS1_E 966)

    .globl   
__ZTCSt13basic_fstreamIwSt11char_traitsIwEE0_St14basic_iostreamIwS1_E
    .section   
.rdata$_ZTCSt13basic_fstreamIwSt11char_traitsIwEE0_St14basic_iostreamIwS1_E,"dr"
    .linkonce same_size
    .align 32
__ZTCSt13basic_fstreamIwSt11char_traitsIwEE0_St14basic_iostreamIwS1_E:
    .long    136

only difference for both section is RELOC, LINK_ONCE_SAME_SIZE. and some symbol
in section with reloc failed to export symbols within.