#228 GDB does not work with GNU debug links

[CCompletion]

GNU debug links enable to have debug info in separate files in order to not distribute it.
One can debug based on crash address and have all symbols etc.
However, with the current package (tdm64-gcc-4.8.1-3.exe), GDB seems to not understand debug links.
Of course, the problem might also be with objcopy, which I already reported for not working correctly in the case of -S switch.

crash.c

static void fun123(int i) {
    int* p = (int*)i;
    char* c = "6789";
    int var1234 = *p; //crash
}

int main(int argc, char** argv)
{
    fun123(123);

    return 0;
}

Makefile

crash.exe: crash.o
    gcc -Wall -g -o crash crash.o
    objcopy --only-keep-debug crash.exe crash.exe.debug
    objcopy --strip-debug crash.exe
    objcopy --add-gnu-debuglink=crash.exe.debug crash.exe
crash.o: crash.c Makefile
    gcc -Wall -g -c crash.c

test:

gdb crash.exe
...
Reading symbols from C:\1\crash.exe...(no debugging symbols found)...done.