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tree.c (save_tree_status): Revert 10 Sep change.

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* tree.c (save_tree_status): Revert 10 Sep change.
        (restore_tree_status): Likewise.  Call obstack_free with NULL
        before freeing the obstack proper.

From-SVN: r29355
This commit is contained in:
Richard Henderson 1999-09-11 23:30:39 -07:00 committed by Richard Henderson
parent 1497faf6be
commit 24554b03c6
2 changed files with 13 additions and 4 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
* tree.c (save_tree_status): Revert 10 Sep change.
(restore_tree_status): Likewise. Call obstack_free with NULL
before freeing the obstack proper.
Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
* cse.c (cse_main): If gc'ing, collect around cse_basic_block.

11
gcc/tree.c
View File

@ -365,7 +365,8 @@ save_tree_status (p)
function_maybepermanent_obstack
= (struct obstack *) xmalloc (sizeof (struct obstack));
gcc_obstack_init (function_maybepermanent_obstack);
maybepermanent_firstobj = NULL;
maybepermanent_firstobj
= (char *) obstack_finish (function_maybepermanent_obstack);
function_obstack = (struct obstack *) xmalloc (sizeof (struct obstack));
gcc_obstack_init (function_obstack);
@ -394,14 +395,16 @@ restore_tree_status (p)
/* Free saveable storage used by the function just compiled and not
saved. */
obstack_free (function_maybepermanent_obstack, maybepermanent_firstobj);
if (obstack_empty_p (function_maybepermanent_obstack))
{
obstack_free (function_maybepermanent_obstack, NULL);
free (function_maybepermanent_obstack);
}
obstack_free (&temporary_obstack, temporary_firstobj);
obstack_free (&momentary_obstack, momentary_function_firstobj);
obstack_free (function_obstack, NULL);
if (maybepermanent_firstobj == NULL)
free (function_maybepermanent_obstack);
free (function_obstack);
temporary_firstobj = p->temporary_firstobj;