[Bug gdb/30458] New: FAIL: gdb.tui/wrap-line.exp: width-auto-detected: cli: prompt after wrap

["simon.marchi at polymtl dot ca" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=30458

            Bug ID: 30458
           Summary: FAIL: gdb.tui/wrap-line.exp: width-auto-detected: cli:
                    prompt after wrap
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: simon.marchi at polymtl dot ca
  Target Milestone: ---

I sometimes see this failure on my CI.  This time, it was with the
native-gdbserver board, not sure if it matters (maybe it does for timing).  I
haven't been able to reproduce it locally yet.

Here's a snippet from gdb.log

maint info screen
Number of characters gdb thinks are in a line is 50.
Number of characters readline reports are in a line is 49.
Number of characters curses thinks are in a line is 50.
Number of characters environment thinks are in a line is 50 (COLUMNS).
Number of lines gdb thinks are in a page is 4294967295 (unlimited).
Number of lines readline reports are in a page is 32767 (unlimited).
Number of lines curses thinks are in a page is 24.
Number of lines environment thinks are in a page is 24 (LINES).
(gdb) PASS: gdb.tui/wrap-line.exp: width-auto-detected: maint info screen
PASS: gdb.tui/wrap-line.exp: width-auto-detected: width
PASS: gdb.tui/wrap-line.exp: width-auto-detected: $gdb_width == [expr
$readline_width + 1]
Quit
(gdb) PASS: gdb.tui/wrap-line.exp: width-auto-detected: cli: start line
7890123456789012345678901234567890123456789

WBox Dump (50 x 24) @ (0, 0):
    0 Quit                                              
    1 (gdb) 7890123456789012345678901234567890123456789 
    2                                                   
    3                                                   
    4                                                   
    5                                                   
    6                                                   
    7                                                   
    8                                                   
    9                                                   
   10                                                   
   11                                                   
   12                                                   
   13                                                   
   14                                                   
   15                                                   
   16                                                   
   17                                                   
   18                                                   
   19                                                   
   20                                                   
   21                                                   
   22                                                   
   23                                                   
Box Dump (50 x 24) @ (0, 0):
    0 Quit                                              
    1 (gdb) 7890123456789012345678901234567890123456789 
    2                                                   
    3                                                   
    4                                                   
    5                                                   
    6                                                   
    7                                                   
    8                                                   
    9                                                   
   10                                                   
   11                                                   
   12                                                   
   13                                                   
   14                                                   
   15                                                   
   16                                                   
   17                                                   
   18                                                   
   19                                                   
   20                                                   
   21                                                   
   22                                                   
   23                                                   
Box Dump (50 x 24) @ (0, 0):
    0 Quit                                              
    1 (gdb) 7890123456789012345678901234567890123456789 
    2                                                   
    3                                                   
    4                                                   
    5                                                   
    6                                                   
    7                                                   
    8                                                   
    9                                                   
   10                                                   
   11                                                   
   12                                                   
   13                                                   
   14                                                   
   15                                                   
   16                                                   
   17                                                   
   18                                                   
   19                                                   
   20                                                   
   21                                                   
   22                                                   
   23                                                   
Box Dump (50 x 24) @ (0, 0):
    0 Quit                                              
    1 (gdb) 7890123456789012345678901234567890123456789 
    2                                                   
    3                                                   
    4                                                   
    5                                                   
    6                                                   
    7                                                   
    8                                                   
    9                                                   
   10                                                   
   11                                                   
   12                                                   
   13                                                   
   14                                                   
   15                                                   
   16                                                   
   17                                                   
   18                                                   
   19                                                   
   20                                                   
   21                                                   
   22                                                   
   23                                                   
Box Dump (50 x 24) @ (0, 0):
    0 Quit                                              
    1 (gdb) 7890123456789012345678901234567890123456789 
    2 W                                                 
    3                                                   
    4                                                   
    5                                                   
    6                                                   
    7                                                   
    8                                                   
    9                                                   
   10                                                   
   11                                                   
   12                                                   
   13                                                   
   14                                                   
   15                                                   
   16                                                   
   17                                                   
   18                                                   
   19                                                   
   20                                                   
   21                                                   
   22                                                   
   23                                                   
PASS: gdb.tui/wrap-line.exp: width-auto-detected: cli: wrap
^CQuit
(gdb) WARNING: timeout in accept_gdb_output
Screen Dump (size 50 columns x 24 rows, cursor at column 6, row 3):
    0 Quit                                              
    1 (gdb) 7890123456789012345678901234567890123456789 
    2 W^CQuit                                           
    3 (gdb)                                             
    4                                                   
    5                                                   
    6                                                   
    7                                                   
    8                                                   
    9                                                   
   10                                                   
   11                                                   
   12                                                   
   13                                                   
   14                                                   
   15                                                   
   16                                                   
   17                                                   
   18                                                   
   19                                                   
   20                                                   
   21                                                   
   22                                                   
   23                                                   
FAIL: gdb.tui/wrap-line.exp: width-auto-detected: cli: prompt after wrap

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