GDB internal error in pc_in_thread_step_range

[Simon Marchi]

On 2018-07-28 05:48, Eli Zaretskii wrote:
> I see this in every version of MinGW GDB since 7.8.1 (didn't try
> earlier versions) when debugging a C program: if I step outside the
> 'main' function, i.e. past its closing brace after the 'return'
> statement, I get an internal GDB error.
> 
> Here is the session with a simple "hello, world" program:
> 
>   D:\usr\eli\data>gdb ./hello_dbg.exe
>   GNU gdb (GDB) 8.1
>   Copyright (C) 2018 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 "i686-pc-mingw32".
>   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"...
>   Reading symbols from ./hello_dbg.exe...done.
>   (gdb) start
>   Temporary breakpoint 1 at 0x40144e: file hello.c, line 8.
>   Starting program: D:\usr\eli\data\hello_dbg.exe
>   [New Thread 7896.0x1ba8]
> 
>   Temporary breakpoint 1, main () at hello.c:8
>   8         printf("hello, world!");
>   (gdb) n
>   hello, world!9    return 0;
>   (gdb)
>   10      }
>   (gdb)
>   0x0040126d in __register_frame_info ()
>   (gdb)
>   Single stepping until exit from function __register_frame_info,
>   which has no line number information.
>   infrun.c:2728: internal-error: void resume_1(gdb_signal): Assertion
> `pc_in_thread_step_range (pc, tp)' failed.
>   A problem internal to GDB has been detected,
>   further debugging may prove unreliable.
>   Quit this debugging session? (y or n)
> 
> Is it a known problem?

Not that I know of.

Simon