[Bug win32/14527] New: warning: section .gnu_debuglink not found in MODULENAME.debug

["lrn1986 at gmail dot com" <sourceware-bugzilla@sourceware.org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=14527

             Bug #: 14527
           Summary: warning: section .gnu_debuglink not found in
                    MODULENAME.debug
           Product: gdb
           Version: 7.5
            Status: NEW
          Severity: minor
          Priority: P2
         Component: win32
        AssignedTo: unassigned@sourceware.org
        ReportedBy: lrn1986@gmail.com
    Classification: Unclassified


Run this:
gcc -g ./test.c -o ./test.exe
objcopy --only-keep-debug ./test.exe ./test.exe.dbg
objcopy --strip-debug  ./test.exe
objcopy --add-gnu-debuglink="test.exe.dbg" ./test.exe
gdb -ex r -ex q --return-child-result ./test.exe

test.c:
#include <stdio.h>

int main (int argc, char **argv)
{
  printf ("Hello, World!\n");
  return 0;
}

gdb (7.5 from mingw.org) will say:
Reading symbols from PATH_TO\test.exe...Reading symbols from
PATH_TO\test.exe.dbg...
warning: section .gnu_debuglink not found in PATH_TO\test.exe.dbg
done.
done.

Why does gdb warn me about the lack of debuglink in a file with full debug info
(the test.exe.dbg file)? It's not supposed to have that section.

This can be worked around by doing the following:
objcopy --only-keep-debug ./test.exe ./test.exe.dbg
objcopy --add-gnu-debuglink="test.exe.dbg" ./test.exe
objcopy --only-keep-debug ./test.exe ./test.exe.dbg
objcopy --remove-section=.gnu_debuglink ./test.exe
objcopy --strip-debug ./test.exe
objcopy --add-gnu-debuglink="test.exe.dbg" ./test.exe

This way test.exe.gbg file gets a .gnu_debuglink section (doesn't matter where
it's pointing), and its contents pass the CRC32 check

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