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[/] [scarts/] [trunk/] [toolchain/] [scarts-gdb/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.cp/] [anon-union.exp] - Blame information for rev 25

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1 25 jlechner
# Tests for anonymous union support.
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# Copyright 1998, 1999, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see .
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# Written by Satish Pai  1997-08-19
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# This file is part of the gdb testsuite
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if $tracelevel then {
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        strace $tracelevel
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        }
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#
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# test running programs
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#
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set prms_id 0
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set bug_id 0
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if { [skip_cplus_tests] } { continue }
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set testfile "anon-union"
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set srcfile ${testfile}.cc
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set binfile ${objdir}/${subdir}/${testfile}
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if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
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     perror "Testcase compile failed" 0
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     continue
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}
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# Start with a fresh gdb
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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if ![runto_main] then {
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    perror "couldn't run to breakpoint"
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    continue
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}
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send_gdb "set width 0\n"
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gdb_expect -re "$gdb_prompt $"
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#send_gdb "ptype foo\n"
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#gdb_expect {
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#   -re "\r\n$gdb_prompt $" {
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#      pass "ptype foo"
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#    }
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#    -re ".*$gdb_prompt $" { fail "ptype foo" }
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#    timeout { fail "(timeout) ptype foo" }
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#}
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#send_gdb "ptype bar\n"
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#gdb_expect {
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#   -re "\r\n$gdb_prompt $" {
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#      pass "ptype foo"
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#    }
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#    -re ".*$gdb_prompt $" { fail "ptype foo" }
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#    timeout { fail "(timeout) ptype foo" }
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#}
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# NOTE: Add -- ptype foo.x, etc. when things are working
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#Initialize foo
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send_gdb "next\n"
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gdb_expect {
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   -re "40\[ \t\]*foo.paper = 33;\r\n$gdb_prompt $" {
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      pass "next 1"
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    }
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    -re ".*$gdb_prompt $" { fail "next 1" }
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    timeout { fail "(timeout) next 1" }
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}
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# Print out the big anon union.
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send_gdb "print foo\n"
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gdb_expect {
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   -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 0, cloth = 0\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
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      pass "print foo 1"
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    }
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    -re ".*$gdb_prompt $" { fail "print foo 1" }
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    timeout { fail "(timeout) print foo 1" }
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}
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98
# Step over assignment to member
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100
send_gdb "next\n"
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gdb_expect {
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   -re "41\[ \t\]*foo.pebble = 44;\r\n$gdb_prompt $" {
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      pass "next 1"
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    }
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    -re ".*$gdb_prompt $" { fail "next 1" }
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    timeout { fail "(timeout) next 1" }
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}
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# Now print out anon union again
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send_gdb "print foo\n"
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gdb_expect {
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   -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 33, cloth = 33\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
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      pass "print foo 2"
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    }
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    -re ".*$gdb_prompt $" { fail "print foo 2" }
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    timeout { fail "(timeout) print foo 2" }
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}
118
 
119
# Modify the member just set
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send_gdb "set var foo.cloth = 35\n"
121
gdb_expect {
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   -re "\r\n$gdb_prompt $" {
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      pass "set var foo.cloth"
124
    }
125
    timeout { fail "(timeout) set var foo.cloth" }
126
}
127
 
128
# Now print out anon union again to see if the right member was set
129
send_gdb "print foo\n"
130
gdb_expect {
131
   -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
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      pass "print foo 3"
133
    }
134
    -re ".*$gdb_prompt $" { fail "print foo 3" }
135
    timeout { fail "(timeout) print foo 3" }
136
}
137
 
138
 
139
# Step over next assignment to member
140
 
141
send_gdb "next\n"
142
gdb_expect {
143
   -re "42\[ \t\]*foo.mux = 55;\r\n$gdb_prompt $" {
144
      pass "next 2"
145
    }
146
    -re ".*$gdb_prompt $" { fail "next 2" }
147
    timeout { fail "(timeout) next 2" }
148
}
149
 
150
# Now print out anon union again
151
send_gdb "print foo\n"
152
gdb_expect {
153
   -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 44, x = \{rock = 44, rock2 = 0\}, \{qux = 44, mux = 44\}, boulder = 44\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
154
      pass "print foo 4"
155
    }
156
    -re ".*$gdb_prompt $" { fail "print foo 4" }
157
    timeout { fail "(timeout) print foo 4" }
158
}
159
 
160
# Modify the member just set
161
send_gdb "set var foo.pebble = 45\n"
162
gdb_expect {
163
   -re "\r\n$gdb_prompt $" {
164
      pass "set var foo.pebble"
165
    }
166
    timeout { fail "(timeout) set var foo.pebble" }
167
}
168
 
169
# Now print out anon union again to see if the right member was set
170
send_gdb "print foo\n"
171
gdb_expect {
172
   -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 45, x = \{rock = 45, rock2 = 0\}, \{qux = 45, mux = 45\}, boulder = 45\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
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      pass "print foo 5"
174
    }
175
    -re ".*$gdb_prompt $" { fail "print foo 5" }
176
    timeout { fail "(timeout) print foo 5" }
177
}
178
 
179
# Modify another member at a different level
180
send_gdb "set var foo.qux = 46\n"
181
gdb_expect {
182
   -re "\r\n$gdb_prompt $" {
183
      pass "set var foo.qux"
184
    }
185
    timeout { fail "(timeout) set var foo.qux" }
186
}
187
 
188
# Now print out anon union again to see if the right member was set
189
send_gdb "print foo\n"
190
gdb_expect {
191
   -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 46, x = \{rock = 46, rock2 = 0\}, \{qux = 46, mux = 46\}, boulder = 46\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
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      pass "print foo 6"
193
    }
194
    -re ".*$gdb_prompt $" { fail "print foo 6" }
195
    timeout { fail "(timeout) print foo 6" }
196
}
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198
# Modify the member at another level, but not the first one in the union
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send_gdb "set var foo.mux = 47\n"
200
gdb_expect {
201
   -re "\r\n$gdb_prompt $" {
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      pass "set var foo.mux"
203
    }
204
    timeout { fail "(timeout) set var foo.mux" }
205
}
206
 
207
# Now print out anon union again to see if things worked
208
send_gdb "print foo\n"
209
gdb_expect {
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   -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 47, x = \{rock = 47, rock2 = 0\}, \{qux = 47, mux = 47\}, boulder = 47\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
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      pass "print foo 7"
212
    }
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    -re ".*$gdb_prompt $" { fail "print foo 7" }
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    timeout { fail "(timeout) print foo 7" }
215
}
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217
# Modify a member of a struct in an anon union
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send_gdb "set var foo.x.rock = 48\n"
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gdb_expect {
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   -re "\r\n$gdb_prompt $" {
221
      pass "set var foo.x.rock"
222
    }
223
    timeout { fail "(timeout) set var foo.x.rock" }
224
}
225
 
226
# Now print out anon union again to see if things worked
227
send_gdb "print foo\n"
228
gdb_expect {
229
   -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 48, x = \{rock = 48, rock2 = 0\}, \{qux = 48, mux = 48\}, boulder = 48\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
230
      pass "print foo 8"
231
    }
232
    -re ".*$gdb_prompt $" { fail "print foo 8" }
233
    timeout { fail "(timeout) print foo 8" }
234
}
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236
# Modify a member of a struct in an anon union, but something
237
# that doesn't alias to some other union member
238
send_gdb "set var foo.x.rock2 = 49\n"
239
gdb_expect {
240
   -re "\r\n$gdb_prompt $" {
241
      pass "set var foo.x.rock2"
242
    }
243
    timeout { fail "(timeout) set var foo.x.rock2" }
244
}
245
 
246
# Now print out anon union again to see if things worked
247
send_gdb "print foo\n"
248
gdb_expect {
249
   -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 48, x = \{rock = 48, rock2 = 49\}, \{qux = 48, mux = 48\}, boulder = 48\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
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      pass "print foo 9"
251
    }
252
    -re ".*$gdb_prompt $" { fail "print foo 9" }
253
    timeout { fail "(timeout) print foo 9" }
254
}
255
 
256
 
257
# Step over next four assignments
258
send_gdb "next 4\n"
259
gdb_expect {
260
   -re "53\[ \t\]*w = 45;\r\n$gdb_prompt $" {
261
      pass "next 3"
262
    }
263
    -re ".*$gdb_prompt $" { fail "next 3" }
264
    timeout { fail "(timeout) next 3" }
265
}
266
 
267
# Tests for anon unions that are not members of a class or struct
268
 
269
send_gdb "print w\n"
270
gdb_expect {
271
   -re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" {
272
      pass "print w 1"
273
    }
274
    -re ".*$gdb_prompt $" { fail "print w 1" }
275
    timeout { fail "(timeout) print w 1" }
276
}
277
 
278
send_gdb "print z\n"
279
gdb_expect {
280
   -re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" {
281
      pass "print z 1"
282
    }
283
    -re ".*$gdb_prompt $" { fail "print z 1" }
284
    timeout { fail "(timeout) print z 1" }
285
}
286
 
287
# Step over next assignment to w
288
send_gdb "next\n"
289
gdb_expect {
290
    -re "55\[ \t\]*int j = 0;\r\n$gdb_prompt $" {
291
      pass "next 4"
292
    }
293
    -re ".*$gdb_prompt $" { fail "next 4" }
294
    timeout { fail "(timeout) next 4" }
295
}
296
 
297
# See if the change in value is noticed
298
send_gdb "print w\n"
299
gdb_expect {
300
   -re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" {
301
      pass "print w 2"
302
    }
303
    -re ".*$gdb_prompt $" { fail "print w 2" }
304
    timeout { fail "(timeout) print w 2" }
305
}
306
 
307
# See if z shows the same value
308
send_gdb "print z\n"
309
gdb_expect {
310
   -re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" {
311
      pass "print z 2"
312
    }
313
    -re ".*$gdb_prompt $" { fail "print z 2" }
314
    timeout { fail "(timeout) print z 2" }
315
}
316
 
317
# Set the anon union member
318
send_gdb "set var z = 27\n"
319
gdb_expect {
320
   -re "\r\n$gdb_prompt $" {
321
      pass "set var z"
322
    }
323
    timeout { fail "(timeout) set var z" }
324
}
325
 
326
# See if the change in value is noticed
327
send_gdb "print w\n"
328
gdb_expect {
329
   -re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" {
330
      pass "print w 3"
331
    }
332
    -re ".*$gdb_prompt $" { fail "print w 3" }
333
    timeout { fail "(timeout) print w 3" }
334
}
335
 
336
# See if z shows the same value
337
send_gdb "print z\n"
338
gdb_expect {
339
   -re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" {
340
      pass "print z 3"
341
    }
342
    -re ".*$gdb_prompt $" { fail "print z 3" }
343
    timeout { fail "(timeout) print z 3" }
344
}

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