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pt.c (tsubst_aggr_type): Bail if creating the argvec fails. 

* pt.c (tsubst_aggr_type): Bail if creating the argvec fails.
        (tsubst_template_arg_vector): Likewise.

        * decl2.c (build_anon_union_vars): Choose the largest field; don't
        assume that one will be as large as the union.

From-SVN: r35581
This commit is contained in:
Jason Merrill 2000-08-09 01:52:17 -04:00 committed by Jason Merrill
parent 8e32b501b8
commit 08e72a1929
3 changed files with 23 additions and 5 deletions
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8
gcc/cp/ChangeLog
View File

@ -1,3 +1,11 @@
2000-08-08 Jason Merrill <jason@redhat.com>
* pt.c (tsubst_aggr_type): Bail if creating the argvec fails.
(tsubst_template_arg_vector): Likewise.
* decl2.c (build_anon_union_vars): Choose the largest field; don't
assume that one will be as large as the union.
2000-08-07 Kazu Hirata <kazu@hxi.com>
* cp-tree.h (CLASSTYPE_HAS_PRIMARY_BASE_P): Fix a comment typo.

15
gcc/cp/decl2.c
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@ -2190,12 +2190,17 @@ build_anon_union_vars (anon_decl, elems, static_p, external_p)
DECL_INITIAL (decl) = NULL_TREE;
}
/* Only write out one anon union element--choose the one that
can hold them all. */
/* Only write out one anon union element--choose the largest
one. We used to try to find one the same size as the union,
but that fails if the ABI forces us to align the union more
strictly. */
if (main_decl == NULL_TREE
&& simple_cst_equal (DECL_SIZE (decl),
DECL_SIZE (anon_decl)) == 1)
main_decl = decl;
|| tree_int_cst_lt (DECL_SIZE (main_decl), DECL_SIZE (decl)))
{
if (main_decl)
TREE_ASM_WRITTEN (main_decl) = 1;
main_decl = decl;
}
else
/* ??? This causes there to be no debug info written out
about this decl. */

5
gcc/cp/pt.c
View File

@ -5261,6 +5261,9 @@ tsubst_template_arg_vector (t, args, complain)
(tsubst_expr (TREE_VEC_ELT (t, i), args, complain,
NULL_TREE));
if (elts[i] == error_mark_node)
return error_mark_node;
if (elts[i] != TREE_VEC_ELT (t, i))
need_new = 1;
}
@ -5380,6 +5383,8 @@ tsubst_aggr_type (t, args, complain, in_decl, entering_scope)
S we only want {double}. */
argvec = tsubst_template_arg_vector (TYPE_TI_ARGS (t), args,
complain);
if (argvec == error_mark_node)
return error_mark_node;
r = lookup_template_class (t, argvec, in_decl, context,
entering_scope);