* gdb.base/completion.exp: On some systems, there is, in fact, a
variable named `b' in scope, since GDB treats all static variables as being in scope. So use `no_var_named_this' instead of `b'.
This commit is contained in:
Jim Blandy
parent
de7dd7a986
commit
6970b5b149
2 changed files with 85 additions and 39 deletions
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@ -1,5 +1,10 @@
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2001-12-17 Jim Blandy <jimb@redhat.com>
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* gdb.base/completion.exp: On some systems, there is, in fact, a
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variable named `b' in scope, since GDB treats all static
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variables as being in scope. So use `no_var_named_this'
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instead of `b'.
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* gdb.base/corefile.exp: Recognize the message saying that GDB
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can't find the core file's registers as a failure.
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@ -468,105 +468,146 @@ gdb_expect {
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}
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send_gdb "p b-a\t"
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# These tests used to try completing the shorter "p b-a".
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# Unfortunately, on some systems, there are .o files in system
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# libraries which declare static variables named `b'. Of course,
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# those variables aren't really in scope, as far as the compiler is
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# concerned. But GDB deliberately tries to be more liberal: if you
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# enter an identifier that doesn't have any binding in scope, GDB will
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# search all the program's compilation units for a static variable of
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# the given name.
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#
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# This behavior can help avoid a lot of pedantry, so it's usually a
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# good thing. But in this test case, it causes GDB to print the value
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# of some random variable, instead of giving us the "No symbol..."
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# error we were expecting.
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#
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# For example, on S/390 linux, the file s_atan.c in libm.a declares a
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# `b', which is a structure containing an int and a float, so GDB says
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# ``Argument to arithmetic operation not a number or boolean'' instead
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# of ``No symbol ...''.
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#
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# So, I'm hoping that there is no system with a static library variable named
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# `no_var_by_this_name'.
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send_gdb "p no_var_named_this-a\t"
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sleep 1
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gdb_expect {
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-re "^p b-a\\\x07$" {
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-re "^p no_var_named_this-a\\\x07$" {
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send_gdb "\n"
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gdb_expect {
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-re "No symbol \"b\" in current context\\..*$gdb_prompt $" {
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pass "complete 'p b-a'"
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-re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" {
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pass "complete 'p no_var_named_this-a'"
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}
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-re ".*$gdb_prompt $" {
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fail "complete 'p b-a'"
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fail "complete 'p no_var_named_this-a'"
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}
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timeout {
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fail "(timeout) complete 'p b-a'"
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fail "(timeout) complete 'p no_var_named_this-a'"
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}
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}
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}
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-re ".*$gdb_prompt $" {
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fail "complete 'p b-a'"
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fail "complete 'p no_var_named_this-a'"
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}
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timeout {
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fail "(timeout) complete 'p b-a'"
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fail "(timeout) complete 'p no_var_named_this-a'"
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}
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}
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send_gdb "p b-a\t"
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send_gdb "p no_var_named_this-a\t"
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sleep 1
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gdb_expect {
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-re "^p b-a\\\x07$" {
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-re "^p no_var_named_this-a\\\x07$" {
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send_gdb "\t"
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gdb_expect {
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-re ".*argv.*$gdb_prompt p b-a$" {
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-re ".*argv.*$gdb_prompt p no_var_named_this-a$" {
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send_gdb "\n"
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gdb_expect {
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-re "No symbol \"b\" in current context\\..*$gdb_prompt $" {
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pass "complete (2) 'p b-a'"
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-re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" {
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pass "complete (2) 'p no_var_named_this-a'"
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}
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-re ".*$gdb_prompt $" { fail "complete (2) 'p b-a'" }
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timeout { fail "(timeout) complete (2) 'p b-a'" }
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-re ".*$gdb_prompt $" {
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fail "complete (2) 'p no_var_named_this-a'"
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}
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timeout {
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fail "(timeout) complete (2) 'p no_var_named_this-a'"
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}
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}
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}
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-re "(There are $decimal possibilities\\. Do you really\r\nwish to see them all.|Display all $decimal possibilities.) \\(y or n\\)$" {
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send_gdb "n"
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gdb_expect {
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-re "\\(gdb\\) p b-a$" {
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-re "\\(gdb\\) p no_var_named_this-a$" {
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send_gdb "\n"
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gdb_expect {
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-re "No symbol \"b\" in current context\\..*$gdb_prompt $" {
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pass "complete (2) 'p b-a'"
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-re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" {
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pass "complete (2) 'p no_var_named_this-a'"
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}
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-re ".*$gdb_prompt $" {
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fail "complete (2) 'p b-a'"
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fail "complete (2) 'p no_var_named_this-a'"
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}
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timeout { fail "(timeout) complete (2) 'p b-a'" }
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timeout {
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fail "(timeout) complete (2) 'p no_var_named_this-a'"
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}
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}
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}
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-re ".*$gdb_prompt $" { fail "complete (2) 'p b-a'" }
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timeout { fail "(timeout) complete (2) 'p b-a'" }
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-re ".*$gdb_prompt $" {
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fail "complete (2) 'p no_var_named_this-a'"
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}
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timeout {
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fail "(timeout) complete (2) 'p no_var_named_this-a'"
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}
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}
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}
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-re ".*$gdb_prompt $" { fail "complete (2) 'p b-a'" }
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timeout { fail "(timeout) complete (2) 'p b-a'" }
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-re ".*$gdb_prompt $" {
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fail "complete (2) 'p no_var_named_this-a'"
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}
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timeout { fail "(timeout) complete (2) 'p no_var_named_this-a'" }
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}
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}
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-re ".*$gdb_prompt $" { fail "complete (2) 'p b-a'" }
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timeout { fail "(timeout) complete (2) 'p b-a'" }
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-re ".*$gdb_prompt $" { fail "complete (2) 'p no_var_named_this-a'" }
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timeout { fail "(timeout) complete (2) 'p no_var_named_this-a'" }
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}
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send_gdb "p b-\t"
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send_gdb "p no_var_named_this-\t"
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sleep 1
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gdb_expect {
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-re "^p b-\\\x07$" {
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-re "^p no_var_named_this-\\\x07$" {
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send_gdb "\t"
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gdb_expect {
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-re "(There are $decimal possibilities\\. Do you really\r\nwish to see them all.|Display all $decimal possibilities.) \\(y or n\\)$" {
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send_gdb "n"
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gdb_expect {
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-re "\\(gdb\\) p b-$" {
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-re "\\(gdb\\) p no_var_named_this-$" {
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send_gdb "\n"
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gdb_expect {
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-re "No symbol \"b\" in current context\\..*$gdb_prompt $" {
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pass "complete (2) 'p b-'"
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-re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" {
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pass "complete (2) 'p no_var_named_this-'"
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}
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-re ".*$gdb_prompt $" {
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fail "complete (2) 'p b-'"
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fail "complete (2) 'p no_var_named_this-'"
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}
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timeout { fail "(timeout) complete (2) 'p b-'" }
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timeout {
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fail "(timeout) complete (2) 'p no_var_named_this-'"
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}
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}
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}
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-re ".*$gdb_prompt $" { fail "complete (2) 'p b-'" }
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timeout { fail "(timeout) complete (2) 'p b-'" }
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-re ".*$gdb_prompt $" {
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fail "complete (2) 'p no_var_named_this-'"
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}
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timeout {
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fail "(timeout) complete (2) 'p no_var_named_this-'"
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}
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}
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}
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-re ".*$gdb_prompt $" { fail "complete (2) 'p b-'" }
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timeout { fail "(timeout) complete (2) 'p b-'" }
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-re ".*$gdb_prompt $" {
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fail "complete (2) 'p no_var_named_this-'"
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}
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timeout { fail "(timeout) complete (2) 'p no_var_named_this-'" }
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}
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}
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-re ".*$gdb_prompt $" { fail "complete (2) 'p b-'" }
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timeout { fail "(timeout) complete (2) 'p b-'" }
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-re ".*$gdb_prompt $" { fail "complete (2) 'p no_var_named_this-'" }
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timeout { fail "(timeout) complete (2) 'p no_var_named_this-'" }
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}
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send_gdb "file ${objdir}/Make\t"
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