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re PR debug/51950 (fdebug-types-section regression for member pointers)

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PR debug/51950
	* dwarf2out.c (clone_tree_hash): New function.
	(copy_decls_walk): Use it instead of clone_tree.

From-SVN: r184224
This commit is contained in:
Jakub Jelinek 2012-02-14 20:40:10 +01:00 committed by Jakub Jelinek
parent 317ea7c0f4
commit a85ce59dda
2 changed files with 37 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-02-14 Jakub Jelinek <jakub@redhat.com>
PR debug/51950
* dwarf2out.c (clone_tree_hash): New function.
(copy_decls_walk): Use it instead of clone_tree.
2012-02-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52244

32
gcc/dwarf2out.c
View File

@ -7407,6 +7407,32 @@ copy_ancestor_tree (dw_die_ref unit, dw_die_ref die, htab_t decl_table)
return copy;
}
/* Like clone_tree, but additionally enter all the children into
the hash table decl_table. */
static dw_die_ref
clone_tree_hash (dw_die_ref die, htab_t decl_table)
{
dw_die_ref c;
dw_die_ref clone = clone_die (die);
struct decl_table_entry *entry;
void **slot = htab_find_slot_with_hash (decl_table, die,
htab_hash_pointer (die), INSERT);
/* Assert that DIE isn't in the hash table yet. If it would be there
before, the ancestors would be necessarily there as well, therefore
clone_tree_hash wouldn't be called. */
gcc_assert (*slot == HTAB_EMPTY_ENTRY);
entry = XCNEW (struct decl_table_entry);
entry->orig = die;
entry->copy = clone;
*slot = entry;
FOR_EACH_CHILD (die, c,
add_child_die (clone, clone_tree_hash (c, decl_table)));
return clone;
}
/* Walk the DIE and its children, looking for references to incomplete
or trivial types that are unmarked (i.e., that are not in the current
type_unit). */
@ -7443,7 +7469,11 @@ copy_decls_walk (dw_die_ref unit, dw_die_ref die, htab_t decl_table)
else
{
dw_die_ref parent = unit;
dw_die_ref copy = clone_tree (targ);
dw_die_ref copy = clone_die (targ);
FOR_EACH_CHILD (targ, c,
add_child_die (copy,
clone_tree_hash (c, decl_table)));
/* Make sure the cloned tree is marked as part of the
type unit. */