bug#15365: 24.3.50; Segfault when calling vc-git-log-edit-toggle-amend

[Dmitry Gutov]

On 13.09.2013 16:18, Eli Zaretskii wrote:
> Too bad this requires to commit to a git repo.

Would your reply have been the same if it were any other VCS, save Bazaar?

Admittedly, the bug is not very stable. I was only able to reproduce it 
2 out of 4 times I tried it, this time around.

> If you cannot find a
> recipe that doesn't need that, please show values of variables
> involved in this abort.  The relevant code fragment is this:
>
>        /* If window start is unchanged, we can reuse the whole matrix
>          as is, after adjusting glyph positions.  No need to compute
>          the window end again, since its offset from Z hasn't changed.  */
>        r0 = MATRIX_FIRST_TEXT_ROW (current_matrix);
>        if (CHARPOS (start) == MATRIX_ROW_START_CHARPOS (r0) + Z_delta
>           && BYTEPOS (start) == MATRIX_ROW_START_BYTEPOS (r0) + Z_delta_bytes
>           /* PT must not be in a partially visible line.  */
>           && !(PT >= MATRIX_ROW_START_CHARPOS (row) + Z_delta
>                && MATRIX_ROW_BOTTOM_Y (row) > window_text_bottom_y (w)))
>         {
>           /* Adjust positions in the glyph matrix.  */
>           if (Z_delta || Z_delta_bytes)
>             {
>               struct glyph_row *r1
>                 = MATRIX_BOTTOM_TEXT_ROW (current_matrix, w);
>               increment_matrix_positions (w->current_matrix,
>                                           MATRIX_ROW_VPOS (r0, current_matrix),
>                                           MATRIX_ROW_VPOS (r1, current_matrix),
>                                           Z_delta, Z_delta_bytes);
>             }
>
>           /* Set the cursor.  */
>           row = row_containing_pos (w, PT, r0, NULL, 0);
>           if (row)
>             set_cursor_from_row (w, row, current_matrix, 0, 0, 0, 0);
>           else
>             emacs_abort ();
>           return 1;
>         }
>
> So the values of PT, Z, and Z_BYTE are important.

(gdb) p PT
$16 = 78
(gdb) p Z
$17 = 17704
(gdb) p Z_BYTE
$18 = 17704

>    (gdb) pmtxrows current_matrix

Here you go:

(gdb) pmtxrows current_matrix
0: edges=(1,77),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
1: edges=(77,78),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
2: edges=(78,79),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
3: edges=(79,124),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
4: edges=(124,171),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
5: edges=(171,193),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
6: edges=(193,212),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
7: edges=(212,250),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
8: edges=(250,251),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
9: edges=(251,290),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
10: edges=(290,291),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
11: edges=(291,360),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
12: edges=(360,432),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
13: edges=(432,501),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
14: edges=(501,540),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
15: edges=(540,541),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
16: edges=(541,605),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
17: edges=(605,671),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
18: edges=(671,736),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
19: edges=(736,784),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
20: edges=(784,785),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
21: edges=(785,854),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
22: edges=(854,924),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
23: edges=(924,925),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
24: edges=(925,941),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
25: edges=(941,942),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
26: edges=(942,1017),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
27: edges=(1017,1094),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
28: edges=(1094,1095),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
29: edges=(1095,1117),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
30: edges=(1117,1120),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
31: edges=(1120,1157),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
32: edges=(1157,1194),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
33: edges=(1194,1231),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
34: edges=(1231,1268),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
35: edges=(1268,1271),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
36: edges=(1271,1333),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
37: edges=(1333,1334),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
38: edges=(1334,1384),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
39: edges=(1384,1387),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
40: edges=(1387,1416),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
41: edges=(1416,1419),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
42: edges=(1419,1444),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
43: edges=(1444,1447),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
44: edges=(1447,1506),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
45: edges=(1506,1509),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
46: edges=(1509,1561),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
47: edges=(1561,1615),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
48: edges=(1615,1616),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
49: edges=(1616,1626),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
50: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
51: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
52: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
53: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
54: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
55: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
56: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
57: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
58: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
59: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
60: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
61: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
62: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
63: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
64: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
65: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
66: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
67: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
68: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
69: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
70: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
71: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
72: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
73: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
74: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
75: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
76: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
77: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
78: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
79: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
80: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
81: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
82: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
83: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
84: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
85: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
86: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
87: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
88: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
89: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
90: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
91: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
92: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
93: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
94: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
95: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
96: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
97: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
98: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
99: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
100: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
101: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
102: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
103: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
104: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
105: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
106: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
107: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
108: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
109: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
110: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
111: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
112: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
113: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
114: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
115: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
116: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
117: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
118: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
119: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
120: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
121: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
122: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
123: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
124: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
125: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
126: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
127: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
128: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
129: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
130: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
131: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
132: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
133: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
134: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
135: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
136: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
137: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
138: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
139: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
140: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
141: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
142: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
143: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
144: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
145: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
146: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
147: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
148: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
149: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
150: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
151: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
152: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
153: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
154: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
155: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
156: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
157: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
158: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
159: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
160: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
161: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
162: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
163: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
164: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
165: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
166: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
167: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
168: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
169: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
170: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
171: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
172: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
173: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
174: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
175: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
176: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
177: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
178: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
179: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
180: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
181: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
182: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
183: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
184: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
185: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
186: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
187: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
188: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
189: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
190: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
191: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
192: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
193: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
194: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
195: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
196: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
197: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
198: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
199: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
200: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
201: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
202: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
203: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
204: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
205: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
206: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
207: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
208: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
209: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
210: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
211: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
212: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
213: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
214: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
215: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
216: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
217: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
218: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
219: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
220: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
221: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
222: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
223: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
224: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
225: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
226: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
227: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
228: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
229: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
230: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
231: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
232: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
233: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
234: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
235: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
236: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
237: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
238: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
239: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
240: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
241: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
242: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
243: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
244: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
245: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
246: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
247: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
248: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
249: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
250: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
251: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
252: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
253: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
254: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
255: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
256: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
257: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
258: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
259: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
260: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
261: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
262: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
263: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
264: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
265: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
266: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
267: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
268: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
269: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
270: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
271: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
272: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
273: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
274: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
275: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
276: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
277: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
278: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
279: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
280: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
281: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
282: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
283: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
284: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
285: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
286: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
287: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
288: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
289: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
290: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
291: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
292: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
293: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
294: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
295: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
296: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
297: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
298: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
299: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
300: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
301: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
302: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
303: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
304: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
305: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
306: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
307: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
308: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
309: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
310: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
311: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
312: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
313: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
314: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
315: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
316: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
317: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
318: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
319: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
320: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
321: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
322: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
323: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
324: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
325: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
326: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
327: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
328: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
329: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
330: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
331: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
332: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
333: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
334: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
335: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
336: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
337: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
338: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
339: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
340: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
341: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
342: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
343: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
344: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
345: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
346: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
347: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
348: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
349: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
350: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
351: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
352: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
353: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
354: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
355: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
356: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
357: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
358: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
359: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
360: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
361: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
362: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
363: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
364: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
365: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
366: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
367: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
368: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
369: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
370: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
371: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
372: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
373: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
374: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
375: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
376: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
377: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
378: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
379: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
380: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
381: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
382: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
383: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
384: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
385: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
386: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
387: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
388: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
389: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
390: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
391: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
392: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
393: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
394: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
395: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
396: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
397: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
398: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
399: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
400: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
401: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
402: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
403: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
404: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
405: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
406: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
407: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
408: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
409: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
410: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
411: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
412: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
413: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
414: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
415: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
416: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
417: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
418: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
419: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
420: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
421: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
422: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
423: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
424: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
425: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
426: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
427: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
428: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
429: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
430: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
431: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
432: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
433: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
434: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
435: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
436: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
437: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
438: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
439: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
440: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
441: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
442: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
443: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
444: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
445: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
446: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
447: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
448: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
449: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
450: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
451: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
452: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
453: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
454: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
455: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
456: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
457: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
458: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
459: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
460: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
461: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
462: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
463: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
464: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
465: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
466: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
467: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
468: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
469: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
470: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
471: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
472: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
473: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
474: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
475: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
476: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
477: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
478: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
479: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
480: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
481: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
482: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
---Type <return> to continue, or q <return> to quit---
483: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
484: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
485: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
486: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
487: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
488: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
489: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
490: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
491: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
492: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
493: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
494: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
495: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
496: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
497: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
498: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
499: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
500: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
501: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
502: edges=(0,0),enb=0,r2l=0,cont=0,trunc=(0,0),at_zv=0
(gdb)

> Note that you need to be in the call-stack frame of this code, frame
> #3 according to the backtrace you show, to be able to reference these
> variables.

With src/.gdbinit loaded, it's frame 2 now.

> It is accurate.  However, if you start GDB from the Emacs's src
> directory, you will be free of that doubt.

I did that, but forgot to create ~/.gdbinit in advance to set the 
safe-whatever variable, on my current machine.