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* semantics.c (sort_constexpr_mem_initializers): Tweak.

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From-SVN: r191139
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Jason Merrill 2012-09-10 10:08:24 -04:00 committed by Jason Merrill
parent d75171f35f
commit 091871eadd
2 changed files with 18 additions and 12 deletions
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4
gcc/cp/ChangeLog
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@ -1,3 +1,7 @@
2012-09-07 Jason Merrill <jason@redhat.com>
* semantics.c (sort_constexpr_mem_initializers): Tweak.
2012-09-09 Mark Kettenis <kettenis@openbsd.org>
* decl.c (reshape_init_class): Avoid dereferencing a

26
gcc/cp/semantics.c
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@ -5903,24 +5903,26 @@ check_constexpr_ctor_body (tree last, tree list)
static VEC(constructor_elt,gc) *
sort_constexpr_mem_initializers (tree type, VEC(constructor_elt,gc) *vec)
{
if (!CLASSTYPE_HAS_PRIMARY_BASE_P (type)
|| (CLASSTYPE_PRIMARY_BINFO (type)
== BINFO_BASE_BINFO (TYPE_BINFO (type), 0)))
tree pri = CLASSTYPE_PRIMARY_BINFO (type);
constructor_elt elt;
int i;
if (pri == NULL_TREE
|| pri == BINFO_BASE_BINFO (TYPE_BINFO (type), 0))
return vec;
/* Find the element for the primary base and move it to the beginning of
the vec. */
tree pri = BINFO_TYPE (CLASSTYPE_PRIMARY_BINFO (type));
VEC(constructor_elt,gc) &v = *vec;
int pri_idx;
for (pri_idx = 1; ; ++pri_idx)
if (TREE_TYPE (v[pri_idx].index) == pri)
pri = BINFO_TYPE (pri);
for (i = 1; ; ++i)
if (TREE_TYPE (v[i].index) == pri)
break;
constructor_elt pri_elt = v[pri_idx];
for (int i = 0; i < pri_idx; ++i)
v[i+1] = v[i];
v[0] = pri_elt;
elt = v[i];
for (; i > 0; --i)
v[i] = v[i-1];
v[0] = elt;
return vec;
}