[Bug gdb/18274] New: gdb crashed when I move my mouse point to a const string

["305128674 at qq dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=18274

            Bug ID: 18274
           Summary: gdb crashed when I move my mouse point to a const
                    string
           Product: gdb
           Version: 7.8
            Status: NEW
          Severity: critical
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: 305128674 at qq dot com

Hello, I'm debugging remote program with eclipse and gdb. when i move my mouse
pointer on an const string like "hello world"(some thing like char a[]="hello
world"), then gdb crashed.

the gdb i used is compiler by myself. here is the version infomation:
C:\Users\Administrator>arm-sylixos-eabi-gdb --version
GNU gdb (SylixOS Toolchain for ARM Embedded Processors) 7.8.0.20150304-cvs
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "--host=i686-w64-mingw32 --target=arm-sylixos-eabi".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".

gdb error is:
/home/user/toolchain/gcc-arm-sylixos-eabi-4_9-2015q2-20150411/src/gdb/gdb/infrun.c:6229:
internal-error: normal_stop: Assertion `get_frame_type (frame) == DUMMY_FRAME'
failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) [answered Y; input not from terminal]
/home/user/toolchain/gcc-arm-sylixos-eabi-4_9-2015q2-20150411/src/gdb/gdb/infrun.c:6229:
internal-error: normal_stop: Assertion `get_frame_type (frame) == DUMMY_FRAME'
failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.


I open the remote debug log, it output:
Sending packet: $Pe=748201c0#bb...Ack
Packet received: 
Packet P (set-register) is NOT supported
Sending packet:
$G0100000014706b24707908c0748201c0a84f03c0c0e0d62050a702c010736b240100000058e1d62048736b2464e0d620e44f03c058e0d620748201c0888201c053000020#cc...Ack
Packet received: OK
Sending packet:
$G0e00000014706b24707908c0748201c0a84f03c0c0e0d62050a702c010736b240100000058e1d62048736b2464e0d620e44f03c058e0d620748201c0888201c053000020#00...Ack
Packet received: OK
Sending packet:
$G0e00000014706b24707908c0748201c0a84f03c0c0e0d62050a702c010736b240100000058e1d62048736b2464e0d620e44f03c050e0d620748201c0888201c053000020#f8...Ack
Packet received: OK
Sending packet:
$G0e00000014706b24707908c0748201c0a84f03c0c0e0d62050a702c010736b240100000058e1d62048736b2464e0d620e44f03c050e0d620748201c050bc02c053000020#49...Ack
Packet received: OK
Sending packet: $Z0,c0018274,4#df...Ack
Packet received: OK
Sending packet: $vCont;c#a8...Ack
Packet received: T05thread:4010023;
Sending packet: $g#67...Ack
Packet received:
787a08c00e000000008008c0787a08c0a84f03c0c0e0d62050a702c010736b240100000058e1d62048736b2464e0d6200400000058e0d620748201c0748201c053000020
Sending packet: $mc0018274,4#96...Ack
Packet received: fedeffe7
Sending packet: $z0,c0018274,4#ff...Ack
Packet received: 

This is a bug, please report it.  For instructions, see:
<http://www.gnu.org/software/gdb/bugs/>.


/home/user/toolchain/gcc-arm-sylixos-eabi-4_9-2015q2-20150411/src/gdb/gdb/infrun.c:6229:
internal-error: normal_stop: Assertion `get_frame_type (frame) == DUMMY_FRAME'
failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) [answered Y; input not from terminal]
/home/user/toolchain/gcc-arm-sylixos-eabi-4_9-2015q2-20150411/src/gdb/gdb/infrun.c:6229:
internal-error: normal_stop: Assertion `get_frame_type (frame) == DUMMY_FRAME'
failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
 I

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