[Bug breakpoints/12526] New: watch -location false positives on bitfields
jan.kratochvil at redhat dot com
sourceware-bugzilla@sourceware.org
Tue Mar 1 17:44:00 GMT 2011
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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