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e2882c85 1# Copyright 1998-2018 Free Software Foundation, Inc.
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2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
e22f8b7c 5# the Free Software Foundation; either version 3 of the License, or
c906108c 6# (at your option) any later version.
e22f8b7c 7#
c906108c
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8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11# GNU General Public License for more details.
e22f8b7c 12#
c906108c 13# You should have received a copy of the GNU General Public License
e22f8b7c 14# along with this program. If not, see <http://www.gnu.org/licenses/>.
c906108c 15
c906108c 16# written by Elena Zannoni (ezannoni@cygnus.com)
b1379776 17# Rewritten by Michael Chastain <mec.gnu@mindspring.com>
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18
19# This file is part of the gdb testsuite
c906108c 20
b1379776 21# Tests for overloaded member functions.
c906108c 22
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23set ws "\[\r\n\t \]+"
24set nl "\[\r\n\]+"
c906108c 25
c906108c 26
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27if { [skip_cplus_tests] } { continue }
28
f5f3a911 29standard_testfile .cc
c906108c 30
5b362f04 31if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
f5f3a911 32 return -1
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33}
34
b1379776 35# Set it up at a breakpoint so we can play with the variable values.
c906108c 36
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37if ![runto 'marker1'] then {
38 perror "couldn't run to marker1"
39 continue
40}
c906108c 41
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42# Prevent symbol on address 0x0 being printed.
43gdb_test_no_output "set print symbol off"
44
db144853 45gdb_test "up" ".*main.*" "up from marker1"
c906108c 46
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47# Print the monster class type.
48# See virtfunc.exp for a discussion of ptype.
49#
50# This is hairy to begin with. It is even more hairy because of the
51# XX_* alternate patterns to catch the KFAIL and XFAIL cases.
52
53set re_class "((struct|class) foo \{${ws}public:|struct foo \{)"
54set re_fields "int ifoo;${ws}const char ?\\* ?ccpfoo;"
55set XX_fields "int ifoo;${ws}char ?\\* ?ccpfoo;"
56set re_ctor "foo\\(int\\);${ws}foo\\(int, (char const|const char) ?\\*\\);${ws}foo\\(foo ?&\\);"
57set re_dtor "~foo\\((void|)\\);"
58set XX_dtor "~foo\\(int\\);"
59set re_methods "void foofunc\\(int\\);"
60set re_methods "${re_methods}${ws}void foofunc\\(int, signed char ?\\*\\);"
61set re_methods "${re_methods}${ws}int overload1arg\\((void|)\\);"
62set re_methods "${re_methods}${ws}int overload1arg\\(char\\);"
63set re_methods "${re_methods}${ws}int overload1arg\\(signed char\\);"
64set re_methods "${re_methods}${ws}int overload1arg\\(unsigned char\\);"
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65set re_methods "${re_methods}${ws}int overload1arg\\(short( int)?\\);"
66set re_methods "${re_methods}${ws}int overload1arg\\((unsigned short|short unsigned)( int)?\\);"
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67set re_methods "${re_methods}${ws}int overload1arg\\(int\\);"
68set re_methods "${re_methods}${ws}int overload1arg\\(unsigned int\\);"
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69set re_methods "${re_methods}${ws}int overload1arg\\(long( int)?\\);"
70set re_methods "${re_methods}${ws}int overload1arg\\((unsigned long|long unsigned)( int)?\\);"
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71set re_methods "${re_methods}${ws}int overload1arg\\(float\\);"
72set re_methods "${re_methods}${ws}int overload1arg\\(double\\);"
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73set re_methods "${re_methods}${ws}int overload1arg\\(int \\*\\);"
74set re_methods "${re_methods}${ws}int overload1arg\\(void \\*\\);"
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75set re_methods "${re_methods}${ws}int overloadfnarg\\((void|)\\);"
76set re_methods "${re_methods}${ws}int overloadfnarg\\(int\\);"
77set re_methods "${re_methods}${ws}int overloadfnarg\\(int, int ?\\(\\*\\) ?\\(int\\)\\);"
78set re_methods "${re_methods}${ws}int overloadargs\\(int\\);"
79set re_methods "${re_methods}${ws}int overloadargs\\(int, int\\);"
80set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int\\);"
81set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int\\);"
82set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int\\);"
83set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int\\);"
84set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int\\);"
85set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int\\);"
86set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int\\);"
87set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int\\);"
88set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int, int\\);"
89set re_synth "foo & operator=\\(foo const ?&\\);"
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90
91gdb_test "print foo_instance1" "\\$\[0-9\]+ = \{ifoo = 111, ccpfoo = 0x0\}"
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92
93gdb_test_multiple "ptype foo_instance1" "ptype foo_instance1" {
184ad485 94 -re "type = $re_class${ws}$XX_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
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95 # gcc 2.95.3 -gstabs+, no "const" on "const char *"
96 # TODO: gdb.base/constvar.exp has XFAILed this kind of problem for a
97 # long time, but an XFAIL really needs an external bug report.
98 # -- chastain 2003-12-31
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99 # setup_xfail "*-*-*"
100 # fail "ptype foo_instance1"
101 # TODO: this should be a KFAIL.
102 pass "ptype foo_instance1 (shorter match)"
103 }
104 -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
105 # gcc 2.95.3 -gstabs+ if "const char *" ever gets fixed
106 pass "ptype foo_instance1"
b1379776 107 }
184ad485 108 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$XX_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
b1379776 109 # gcc 3.3.2 -gdwarf-2, "~foo(int)"
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110 # TODO: kfail this
111 # kfail "gdb/1113" "ptype foo_instance1"
112 pass "ptype foo_instance1 (shorter match)"
113 }
114 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
115 # gcc 3.3.2 -gdwarf-2, if the dtor bug gets fixed
116 # gcc HEAD -gdwarf-2 (abi-2)
117 # TODO: just pass this
118 pass "ptype foo_instance1 (shorter match)"
119 }
120 -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
121 # gcc 3.3.2 -gstabs+
122 # TODO: enough with the "shorter match"
123 pass "ptype foo_instance1 (shorter match)"
124 }
125 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods${ws}$re_synth$nl\}$nl$gdb_prompt $" {
126 # gcc HEAD -gstabs+ (abi-2)
8f25f06b 127 pass "ptype foo_instance1 (shorter match)"
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128 }
129}
c906108c 130
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131# Print variables and method calls.
132# This is a walk in the park.
133
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134gdb_test "print foo_instance2" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
135gdb_test "print foo_instance3" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
136
137gdb_test "print foo_instance1.overloadargs(1)" "\\$\[0-9\]+ = 1" \
138 "print call overloaded func 1 arg"
9e0b60a8 139
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140# Regression test for overloading with function pointer type.
141gdb_test "print foo_instance1.overloadfnarg(23, intintfunc)" " = 23"
142
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143# If GDB fails to restore the selected frame properly after the
144# inferior function call above (see GDB PR 1155 for an explanation of
145# why this might happen), all the subsequent tests will fail. We
146# should detect and report that failure, but let the marker call
147# finish so that the rest of the tests can run undisturbed.
b1379776 148
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149gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
150 -re "#0 marker1.*$gdb_prompt $" {
151 setup_kfail "gdb/1155" s390-*-linux-gnu
152 fail "re-selected 'main' frame after inferior call"
93201743 153 gdb_test "finish" ".*main.*at .*overload.cc:.*// marker1-returns-here.*" \
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154 "finish call to marker1"
155 }
156 -re "#1 ($hex in )?main.*$gdb_prompt $" {
157 pass "re-selected 'main' frame after inferior call"
158 }
159}
160
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161gdb_test "print foo_instance1.overloadargs(1, 2)" \
162 "\\$\[0-9\]+ = 2" \
163 "print call overloaded func 2 args"
5624293a 164
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165gdb_test "print foo_instance1.overloadargs(1, 2, 3)" \
166 "\\$\[0-9\]+ = 3" \
167 "print call overloaded func 3 args"
c2c6d25f 168
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169gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4)" \
170 "\\$\[0-9\]+ = 4" \
171 "print call overloaded func 4 args"
c2c6d25f 172
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173gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5)" \
174 "\\$\[0-9\]+ = 5" \
175 "print call overloaded func 5 args"
176
177gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6)" \
178 "\\$\[0-9\]+ = 6" \
179 "print call overloaded func 6 args"
180
181gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7)" \
182 "\\$\[0-9\]+ = 7" \
183 "print call overloaded func 7 args"
cbfa24cd 184
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185gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8)" \
186 "\\$\[0-9\]+ = 8" \
187 "print call overloaded func 8 args"
188
189gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9)" \
190 "\\$\[0-9\]+ = 9" \
191 "print call overloaded func 9 args"
192
193gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" \
194 "\\$\[0-9\]+ = 10" \
195 "print call overloaded func 10 args"
196
197gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)" \
198 "\\$\[0-9\]+ = 11" \
199 "print call overloaded func 11 args"
200
201gdb_test "print foo_instance1.overload1arg()" \
202 "\\$\[0-9\]+ = 1" \
203 "print call overloaded func void arg"
204
205gdb_test "print foo_instance1.overload1arg((char)arg2)" \
206 "\\$\[0-9\]+ = 2" \
207 "print call overloaded func char arg"
208
209gdb_test "print foo_instance1.overload1arg((signed char)arg3)" \
210 "\\$\[0-9\]+ = 3" \
211 "print call overloaded func signed char arg"
212
213gdb_test "print foo_instance1.overload1arg((unsigned char)arg4)" \
214 "\\$\[0-9\]+ = 4" \
215 "print call overloaded func unsigned char arg"
216
217gdb_test "print foo_instance1.overload1arg((short)arg5)" \
218 "\\$\[0-9\]+ = 5" \
219 "print call overloaded func short arg"
220
221gdb_test "print foo_instance1.overload1arg((unsigned short)arg6)" \
222 "\\$\[0-9\]+ = 6" \
223 "print call overloaded func unsigned short arg"
224
225gdb_test "print foo_instance1.overload1arg((int)arg7)" \
226 "\\$\[0-9\]+ = 7" \
227 "print call overloaded func int arg"
228
229gdb_test "print foo_instance1.overload1arg((unsigned int)arg8)" \
230 "\\$\[0-9\]+ = 8" \
231 "print call overloaded func unsigned int arg"
232
233gdb_test "print foo_instance1.overload1arg((long)arg9)" \
234 "\\$\[0-9\]+ = 9" \
235 "print call overloaded func long arg"
236
237gdb_test "print foo_instance1.overload1arg((unsigned long)arg10)" \
238 "\\$\[0-9\]+ = 10" \
239 "print call overloaded func unsigned long arg"
240
241gdb_test "print foo_instance1.overload1arg((float)arg11)" \
242 "\\$\[0-9\]+ = 11" \
243 "print call overloaded func float arg"
244
245gdb_test "print foo_instance1.overload1arg((double)arg12)" \
246 "\\$\[0-9\]+ = 12" \
247 "print call overloaded func double arg"
248
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249gdb_test "print foo_instance1.overload1arg(&arg13)" \
250 "\\$\[0-9\]+ = 13" \
251 "print call overloaded func int\\* arg"
252
253gdb_test "print foo_instance1.overload1arg(&arg14)" \
254 "\\$\[0-9\]+ = 14" \
255 "print call overloaded func char\\* arg"
256
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257gdb_test "print bar(a)" "= 11"
258gdb_test "print bar(b)" "= 22"
259gdb_test "print bar(c)" "= 22"
260gdb_test "print bar(d)" "= 22"
261
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262# ---
263
264# List overloaded functions.
265
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266gdb_test_no_output "set listsize 1" ""
267
268# Build source listing pattern based on an inclusive line range.
269
270proc line_range_pattern { range_start range_end } {
271 global line_re
272
273 for {set i $range_start} {$i <= $range_end} {incr i} {
274 append pattern "\r\n$i\[ \t\]\[^\r\n\]*"
275 }
276
277 verbose -log "pattern $pattern"
278 return $pattern
279}
280
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MC
281# The void case is tricky because some compilers say "(void)"
282# and some compilers say "()".
283
b1379776 284gdb_test_multiple "info func overloadfnarg" "list overloaded function with no args" {
cbfa24cd 285 -re ".*overloadfnarg\\(void\\).*$gdb_prompt $" {
b1379776 286 # gcc 2
cbfa24cd
MS
287 gdb_test "list foo::overloadfnarg(void)"\
288 ".*int foo::overloadfnarg.*\\(void\\).*" \
289 "list overloaded function with no args"
290 }
291 -re ".*overloadfnarg\\(\\).*$gdb_prompt $" {
b1379776 292 # gcc 3
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MS
293 gdb_test "list foo::overloadfnarg()"\
294 ".*int foo::overloadfnarg.*\\(void\\).*" \
295 "list overloaded function with no args"
296 }
cbfa24cd 297}
c2c6d25f 298
b1379776 299gdb_test "list foo::overloadfnarg(int)" \
c2c6d25f 300 "int foo::overloadfnarg.*\\(int arg\\).*" \
cbfa24cd 301 "list overloaded function with int arg"
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JM
302
303gdb_test "list foo::overloadfnarg(int, int (*)(int))" \
304 "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
cbfa24cd 305 "list overloaded function with function ptr args"
c2c6d25f 306
c2c6d25f
JM
307gdb_test "list \"foo::overloadfnarg(int, int (*)(int))\"" \
308 "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
cbfa24cd 309 "list overloaded function with function ptr args - quotes around argument"
1c5cb38e 310
791dfb64
DJ
311# Test list with filename.
312
313gdb_test "list ${srcfile}:intToChar" "int intToChar.*"
314gdb_test "list ${srcfile}:intToChar(char)" "int intToChar.*"
315gdb_test "list ${srcfile}:'intToChar(char)'" "int intToChar.*"
316gdb_test "list '${srcfile}:intToChar(char)'" "int intToChar.*"
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317gdb_test "list '${srcfile}':intToChar(char)" "int intToChar.*"
318gdb_test "list '${srcfile}':'intToChar(char)'" "int intToChar.*"
791dfb64 319
c26106c4 320# And with filename and namespace.
791dfb64 321
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TT
322gdb_test "list ${srcfile}:foo::overloadfnarg(int)" "int foo::overloadfnarg.*}"
323gdb_test "list ${srcfile}:'foo::overloadfnarg(int)'" "int foo::overloadfnarg.*}"
791dfb64 324
8d577d32
DC
325# Now some tests to see how overloading and namespaces interact.
326
327gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 1"
328gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 1"
329gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2"
330
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TT
331# Static methods.
332gdb_test "print K::staticoverload ()" " = 1"
333gdb_test "print K::staticoverload (2)" " = 2"
334gdb_test "print K::staticoverload (2, 3)" " = 5"
335
336# Namespace-qualified functions.
337gdb_test "print N::nsoverload ()" " = 1"
338gdb_test "print N::nsoverload (2)" " = 2"
339gdb_test "print N::nsoverload (2, 3)" " = 5"
340
5277199a
PA
341# Test "list function" when there are multiple "function" overloads.
342
343with_test_prefix "list all overloads" {
344 # Bump up listsize again, to make sure the number of lines to
345 # display before/after each location is computed correctly.
346 gdb_test_no_output "set listsize 10"
347
348 set line_bar_A [gdb_get_line_number "int bar (A)"]
349 set line_bar_B [gdb_get_line_number "int bar (B)"]
350 set lines1 [line_range_pattern [expr $line_bar_A - 5] [expr $line_bar_A + 4]]
351 set lines2 [line_range_pattern [expr $line_bar_B - 5] [expr $line_bar_B + 4]]
352
353 set any "\[^\r\n\]*"
06871ae8
PA
354 set h1_re "file: \"${any}overload.cc\", line number: $line_bar_A, symbol: \"bar\\(A\\)\""
355 set h2_re "file: \"${any}overload.cc\", line number: $line_bar_B, symbol: \"bar\\(B\\)\""
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PA
356 gdb_test "list bar" "${h1_re}${lines1}\r\n${h2_re}${lines2}"
357}
358
8d577d32
DC
359if ![runto 'XXX::marker2'] then {
360 perror "couldn't run to XXX::marker2"
361 continue
362}
363
364gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 3" "print overloadNamespace(1) in XXX"
365gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 3" "print overloadNamespace('a') in XXX"
366gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2" "print overloadNamespace(dummyInstance) in XXX"
367
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MC
368# One last mysterious test.
369# I wonder what this is for?
370
371gdb_test "print intToChar(1)" "\\$\[0-9\]+ = 297"
85feb311
KS
372
373# Test expression evaluation with overloaded methods
374gdb_test "print foo::overload1arg" \
375 "non-unique member `overload1arg' requires type instantiation" \
376 "print foo::overload1arg"
377
378gdb_test "print foo::overload1arg(char***)" \
379 "no member function matches that type instantiation" \
380 "print foo::overload1arg(char***)"
381
382gdb_test "print foo::overload1arg(void)" \
493f3c00 383 "\\$$decimal = {int \\(foo \\*( const|)\\)} $hex <foo::overload1arg\\(\\)>" \
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384 "print foo::overload1arg(void)"
385
386foreach t [list char "signed char" "unsigned char" "short" \
387 "unsigned short" int "unsigned int" long "unsigned long" \
388 float double] {
389 gdb_test "print foo::overload1arg($t)" \
493f3c00 390 "\\$$decimal = {int \\(foo \\*( const|), $t\\)} $hex <foo::overload1arg\\($t\\)>" \
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391 "print foo::overload1arg($t)"
392}