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cplus-demangler, free resource after a failed call to gnu_special.

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libiberty/
2014-05-14  Andrew Burgess  <aburgess@broadcom.com>

	* cplus-dmem.c (internal_cplus_demangle): Free any resources
	allocated by possible previous call to gnu_special.
	(squangle_mop_up): Reset pointers to NULL after calling free.
	* testsuite/demangle-expected: New test case.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210425 138bc75d-0d04-0410-961f-82ee72b054a4
This commit is contained in:
Andrew Burgess 2014-05-28 23:06:43 +01:00 • committed by Pedro Alves
parent 7f3c034326
commit 0aaa9a3aa1
3 changed files with 18 additions and 0 deletions
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7
libiberty/cplus-dem.c
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@ -1175,6 +1175,11 @@ internal_cplus_demangle (struct work_stuff *work, const char *mangled)
if ((AUTO_DEMANGLING || GNU_DEMANGLING))
{
success = gnu_special (work, &mangled, &decl);
if (!success)
{
delete_work_stuff (work);
string_delete (&decl);
}
}
if (!success)
{
@ -1218,10 +1223,12 @@ squangle_mop_up (struct work_stuff *work)
if (work -> btypevec != NULL)
{
free ((char *) work -> btypevec);
work->btypevec = NULL;
}
if (work -> ktypevec != NULL)
{
free ((char *) work -> ktypevec);
work->ktypevec = NULL;
}
}