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PR symtab/14601

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* buildsym.c (buildsym_init): Reset using_directives to NULL.

	testsuite/
	* gdb.cp/using-crash.exp: New file.
	* gdb.cp/using-crash.cc: New file.
This commit is contained in:
Doug Evans 2012-10-03 17:05:00 +00:00
parent e867b64722
commit aa14df2525
5 changed files with 87 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2012-10-03 Doug Evans <dje@google.com>
PR symtab/14601
* buildsym.c (buildsym_init): Reset using_directives to NULL.
2012-10-02 Andrew Burgess <aburgess@broadcom.com>
* remote-sim.c (dump_mem): Always dump buffer contents, zero fill

1
gdb/buildsym.c
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@ -1488,6 +1488,7 @@ buildsym_init (void)
global_symbols = NULL;
pending_blocks = NULL;
pending_macros = NULL;
using_directives = NULL;
/* We shouldn't have any address map at this point. */
gdb_assert (! pending_addrmap);

6
gdb/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2012-10-03 Doug Evans <dje@google.com>
PR symtab/14601
* gdb.cp/using-crash.exp: New file.
* gdb.cp/using-crash.cc: New file.
2012-10-02 Doug Evans <dje@google.com>
* lib/gdb.exp (gdb_unload): Change wording of perror text to be

43
gdb/testsuite/gdb.cp/using-crash.cc Normal file
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@ -0,0 +1,43 @@
/* Copyright 2012 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <iostream>
using namespace std;
class c1;
void foo ();
int
main ()
{
foo ();
return 0;
}
void
foo ()
{
c1 *p = 0;
}
class b1 { public: int x; };
class c1 : public b1
{
public:
using b1::x;
c1 () {}
};

32
gdb/testsuite/gdb.cp/using-crash.exp Normal file
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@ -0,0 +1,32 @@
# Copyright 2012 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
standard_testfile .cc
if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
return -1
}
runto "foo"
# This would cause reading debug info with using_directives pointing to
# freed memory.
# http://sourceware.org/bugzilla/show_bug.cgi?id=14601
# Note: You may need to compile with -fdebug-types-section to see the crash.
set test "reload file"
if { [gdb_file_cmd "$binfile"] == 0 } {
pass $test
} else {
fail $test
}