http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55521
--- Comment #3 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-11-28
22:16:25 UTC ---
I don't see the g++.dg/eh/cond1.C execution failures on x86_64 Fedora 15 so
this may well be darwin specific. In gdb, on x86_64 darwin12 this traces as...
# gdb ./cond1.exe
GNU gdb 6.3.50-20050815 (Apple version gdb-1822) (Sun Aug 5
03:00:42 UTC 2012)
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This GDB was configured as "x86_64-apple-darwin"...Reading symbols for shared
libraries ...... done
(gdb) break main
Breakpoint 1 at 0x10000113b: file
/sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121127/gcc/testsuite/g++.dg/eh/cond1.C,
line 21.
(gdb) r
Starting program:
/sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc/testsuite/g++/cond1.exe
Reading symbols for shared libraries +++++.................................
done
Breakpoint 1, main (argc=1, argv=0x7fff5fbff848) at
/sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121127/gcc/testsuite/g++.dg/eh/cond1.C:21
21 (argc+1 ? has_destructor() : throw 0);
(gdb) s
has_destructor::~has_destructor (this=0x7fff5fbff77f) at
/sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121127/gcc/testsuite/g++.dg/eh/cond1.C:10
10 ~has_destructor() { }
(gdb)
main (argc=1, argv=0x7fff5fbff848) at
/sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121127/gcc/testsuite/g++.dg/eh/cond1.C:22
22 CI((argc+1 ? throw 0 : has_destructor()));
(gdb)
__cxa_allocate_exception (thrown_size=132) at
../../../../gcc-4.8-20121127/libstdc++-v3/libsupc++/eh_alloc.cc:102
102 ret = malloc (thrown_size);
(gdb)
0x00000001000790da in dyld_stub_malloc () at
../../../../gcc-4.8-20121127/libstdc++-v3/libsupc++/eh_alloc.cc:204
204 __cxxabiv1::__cxa_free_dependent_exception
(gdb)
0x00007fff8bd80878 in dyld_stub_binder ()
(gdb)
Single stepping until exit from function dyld_stub_binder,
which has no line number information.
0x00007fff8bd808a5 in misaligned_stack_error_entering_dyld_stub_binder ()
(gdb)
Single stepping until exit from function
misaligned_stack_error_entering_dyld_stub_binder,
which has no line number information.
0x00007fff8bd808e1 in dyld_stub_binder_ ()
(gdb)
Single stepping until exit from function dyld_stub_binder_,
which has no line number information.
0x00007fff8bd81f61 in _dyld_fast_stub_entry ()
(gdb)
Single stepping until exit from function _Z21_dyld_fast_stub_entryPvl,
which has no line number information.
0x00007fff5fc03fbd in __dyld__ZN4dyld18fastBindLazySymbolEPP11ImageLoaderm ()
(gdb)
Single stepping until exit from function
__dyld__ZN4dyld18fastBindLazySymbolEPP11ImageLoaderm,
which has no line number information.
0x00007fff8bd808ee in dyld_stub_binder_ ()
(gdb)
Single stepping until exit from function dyld_stub_binder_,
which has no line number information.
0x00007fff94c3bb7e in malloc ()
(gdb)
Single stepping until exit from function malloc,
which has no line number information.
__cxa_allocate_exception (thrown_size=132) at
../../../../gcc-4.8-20121127/libstdc++-v3/libsupc++/eh_alloc.cc:104
104 if (! ret)
(gdb)
102 ret = malloc (thrown_size);
(gdb)
104 if (! ret)
(gdb)
132 __cxa_eh_globals *globals = __cxa_get_globals ();
(gdb)
__cxa_get_globals () at
../../../../gcc-4.8-20121127/libstdc++-v3/libsupc++/eh_globals.cc:63
63 { return get_global(); }
(gdb)
0x0000000100079254 in dyld_stub___emutls_get_address () at
../../../../gcc-4.8-20121127/libstdc++-v3/libsupc++/eh_alloc.cc:204
204 __cxxabiv1::__cxa_free_dependent_exception
(gdb)
0x00007fff8bd80878 in dyld_stub_binder ()
(gdb)
Single stepping until exit from function dyld_stub_binder,
which has no line number information.
0x00007fff8bd808a5 in misaligned_stack_error_entering_dyld_stub_binder ()
(gdb)
Single stepping until exit from function
misaligned_stack_error_entering_dyld_stub_binder,
which has no line number information.
0x00007fff8bd808e1 in dyld_stub_binder_ ()
(gdb)
Single stepping until exit from function dyld_stub_binder_,
which has no line number information.
0x00007fff8bd81f61 in _dyld_fast_stub_entry ()
(gdb)
Single stepping until exit from function _Z21_dyld_fast_stub_entryPvl,
which has no line number information.
0x00007fff5fc03fbd in __dyld__ZN4dyld18fastBindLazySymbolEPP11ImageLoaderm ()
(gdb)
Single stepping until exit from function
__dyld__ZN4dyld18fastBindLazySymbolEPP11ImageLoaderm,
which has no line number information.
0x00007fff8bd808ee in dyld_stub_binder_ ()
(gdb)
Single stepping until exit from function dyld_stub_binder_,
which has no line number information.
__emutls_get_address (obj=0x1000bc520) at
../../../gcc-4.8-20121127/libgcc/emutls.c:128
128 {
(gdb)
Current language: auto; currently c
139 pointer offset = obj->loc.offset;
(gdb)
141 if (__builtin_expect (offset == 0, 0))
(gdb)
700 return __gthrw_(pthread_once) (__once, __func);
(gdb)
0x0000000102bfb42a in dyld_stub_pthread_once ()
(gdb)
Single stepping until exit from function dyld_stub_pthread_once,
which has no line number information.
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x00000000ffd27000
0x00000000ffd27000 in ?? ()
(gdb)
Cannot access memory at address 0xffd27000
Cannot find bounds of current function
(gdb)
