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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/15911] New: "info threads" changes the default source and
 line (for "break", "list")
Date: Fri, 30 Aug 2013 13:25:00 -0000
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X-Bugzilla-Product: gdb
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X-Bugzilla-Version: HEAD
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https://sourceware.org/bugzilla/show_bug.cgi?id=15911

            Bug ID: 15911
           Summary: "info threads" changes the default source and line
                    (for "break", "list")
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: palves at redhat dot com

"info threads" changes the default source for "break" and "list", to whatever
the location of the first/bottom thread in the thread list is...

 (gdb) b start
 (gdb) c
 ...
 (gdb) list 
 *lists "start"*
 (gdb) b 23
 Breakpoint 3 at 0x400614: file test.c, line 23.
 (gdb) info threads 
   Id   Target Id         Frame 
 * 2    Thread 0x7ffff7fcb700 (LWP 1760) "test" start (arg=0x0) at test.c:23
   1    Thread 0x7ffff7fcc740 (LWP 1748) "test" 0x000000323dc08e60 in
pthread_join (threadid=140737353922304, thread_return=0x0) at pthread_join.c:93
 (gdb) b 23
 Breakpoint 4 at 0x323dc08d90: file pthread_join.c, line 23.
                                    ^^^^^^^^^^^^^^^
 (gdb) list 
 93          lll_wait_tid (pd->tid);
 94
 95
 96        /* Restore cancellation mode.  */
 97        CANCEL_RESET (oldtype);
 98
 99        /* Remove the handler.  */
 100       pthread_cleanup_pop (0);
 101
 102

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