http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47558
--- Comment #57 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-02-04
15:16:42 UTC ---
For the testcase in Comment 56 using my proposed patch from Comment 45...
gcc-4 -dynamiclib -o libtestcall.dylib -flat_namespace -undefined suppress
-single_module test_call.c
gcc-4 -o PR47558.exe test_main.c ./libtestcall.dylib
otool -L ./PR47558.exe
./PR47558.exe:
libtestcall.dylib (compatibility version 0.0.0, current version 0.0.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version
125.2.10)
/sw/lib/gcc4.6/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current
version 1.0.0)
gdb ./PR47558.exe
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000010
0x00007fff839d3c35 in _Unwind_Resume ()
(gdb) bt
#0 0x00007fff839d3c35 in _Unwind_Resume ()
#1 0x0000000100003f75 in unwindcall ()
#2 0x0000000100000f7b in main ()
