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parse.y (check_inner_circular_reference): Ignore incomplete types.

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2002-03-29  Tom Tromey  <tromey@redhat.com>

	* parse.y (check_inner_circular_reference): Ignore incomplete
	types.

(http://gcc.gnu.org/ml/gcc-patches/2002-03/msg01987.html)

From-SVN: r51573
This commit is contained in:
Tom Tromey 2002-03-29 21:58:49 +00:00 committed by Alexandre Petit-Bianco
parent cb260b1181
commit bce54832de
2 changed files with 17 additions and 3 deletions
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5
gcc/java/ChangeLog
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@ -1,3 +1,8 @@
2002-03-29 Tom Tromey <tromey@redhat.com>
* parse.y (check_inner_circular_reference): Ignore incomplete
types.
2002-03-29 Neil Booth <neil@daikokuya.demon.co.uk>
* Make-lang.in (builtins.o): Update.

15
gcc/java/parse.y
View File

@ -5245,14 +5245,23 @@ check_inner_circular_reference (source, target)
if (!basetype_vec)
return NULL_TREE;
for (i = 0; i < TREE_VEC_LENGTH (basetype_vec); i++)
{
tree su = BINFO_TYPE (TREE_VEC_ELT (basetype_vec, i));
tree su;
/* We can end up with a NULL_TREE or an incomplete type here if
we encountered previous type resolution errors. It's safe to
simply ignore these cases. */
if (TREE_VEC_ELT (basetype_vec, i) == NULL_TREE)
continue;
su = BINFO_TYPE (TREE_VEC_ELT (basetype_vec, i));
if (INCOMPLETE_TYPE_P (su))
continue;
if (inherits_from_p (su, target))
return lookup_cl (TYPE_NAME (su));
for (ctx = DECL_CONTEXT (TYPE_NAME (su)); ctx; ctx = DECL_CONTEXT (ctx))
{
/* An enclosing context shouldn't be TARGET */