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From: "jan.kratochvil at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug breakpoints/12526] New: watch -location false positives on
 bitfields
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http://sourceware.org/bugzilla/show_bug.cgi?id=12526

           Summary: watch -location false positives on bitfields
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: breakpoints
        AssignedTo: unassigned@sourceware.org
        ReportedBy: jan.kratochvil@redhat.com
                CC: tromey@redhat.com
              Host: x86_64-unknown-linux-gnu
            Target: x86_64-unknown-linux-gnu


struct s {
  unsigned a:1;
  unsigned b:1;
} v;
int main (void) {
  v.b = 1;
  return 0;
}

GNU gdb (GDB) 7.2.50.20110228-cvs
(gdb) watch -location v.a
Watchpoint 1: -location: v.a
(gdb) run
Starting program: /home/jkratoch/t/f 
Hardware watchpoint 1: -location: v.a
Old value = 0
New value = 2
main () at f.c:7
7      return 0;
(gdb) _

But `v.a' has not changed at all.

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