------- Comment #22 from johnw at gnu dot org 2009-10-25 05:43 -------
A little more data:
With the stock compiler, g++ 4.2.1:
vulcan /tmp $ otool -L bug
bug:
/usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current
version 7.9.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
version 123.0.0)
vulcan /tmp $ nm -o /usr/lib/libstdc++.6.dylib | grep empty_rep
0003f200 T __ZNSbIwSt11char_traitsIwESaIwEE12_S_empty_repEv
0003f2fd T __ZNSbIwSt11char_traitsIwESaIwEE4_Rep12_S_empty_repEv
0006fe50 S __ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE
0002fae3 T __ZNSs12_S_empty_repEv
0002fbe7 T __ZNSs4_Rep12_S_empty_repEv
0006fdb0 S __ZNSs4_Rep20_S_empty_rep_storageE
vulcan /tmp $ nm bug | grep empty_rep
0000000100001fc7 T __ZNSs12_S_empty_repEv
0000000100001f14 T __ZNSs4_Rep12_S_empty_repEv
000000010000dd00 D __ZNSs4_Rep20_S_empty_rep_storageE
With the compiler built from MacPorts, g++ 4.4.2:
vulcan /tmp $ otool -L bug
bug:
/opt/local/lib/gcc44/libstdc++.6.dylib (compatibility version 7.0.0,
current version 7.13.0)
/opt/local/lib/gcc44/libgcc_s.1.dylib (compatibility version 1.0.0,
current version 1.0.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
version 123.0.0)
vulcan /tmp $ nm /opt/local/lib/gcc44/libstdc++.6.dylib | grep empty_rep
00000000000655c0 T __ZNSbIwSt11char_traitsIwESaIwEE12_S_empty_repEv
00000000000658c0 T __ZNSbIwSt11char_traitsIwESaIwEE4_Rep12_S_empty_repEv
00000000000bbe40 D __ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE
000000000004de20 T __ZNSs12_S_empty_repEv
000000000004e0e0 T __ZNSs4_Rep12_S_empty_repEv
00000000000bbdc0 D __ZNSs4_Rep20_S_empty_rep_storageE
vulcan /tmp $ nm bug | grep empty_rep
000000010000193b T __ZNSs4_Rep12_S_empty_repEv
0000000100007820 D __ZNSs4_Rep20_S_empty_rep_storageE
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24196
