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re PR c++/38877 (Revision 143404 caused ICE on 447.dealII in SPEC CPU 2006) 

PR c++/38877
        * tree.c (lvalue_p_1): Allow non-fields in COMPONENT_REF.

From-SVN: r143449
This commit is contained in:
Jason Merrill 2009-01-16 18:17:35 -05:00 committed by Jason Merrill
parent ef3818844c
commit cc6bc76df8
3 changed files with 38 additions and 0 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2009-01-16 Jason Merrill <jason@redhat.com>
PR c++/38877
* tree.c (lvalue_p_1): Allow non-fields in COMPONENT_REF.
2009-01-16 Steve Ellcey <sje@cup.hp.com>
PR c++/31260

2
gcc/cp/tree.c
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@ -117,6 +117,8 @@ lvalue_p_1 (tree ref,
situations. */
op1_lvalue_kind = lvalue_p_1 (TREE_OPERAND (ref, 1),
treat_class_rvalues_as_lvalues);
else if (TREE_CODE (TREE_OPERAND (ref, 1)) != FIELD_DECL)
/* This can be IDENTIFIER_NODE in a template. */;
else if (DECL_C_BIT_FIELD (TREE_OPERAND (ref, 1)))
{
/* Clear the ordinary bit. If this object was a class

31
gcc/testsuite/g++.dg/template/lvalue1.C Normal file
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@ -0,0 +1,31 @@
// PR c++/38877
template<class _T1, class _T2>
struct pair
{
typedef _T1 first_type;
typedef _T2 second_type;
_T1 first;
_T2 second;
pair () : first(), second() { }
pair(const _T1& __a, const _T2& __b)
: first(__a), second(__b) { }
};
template<class _T1, class _T2>
inline pair<_T1, _T2>
make_pair(_T1 __x, _T2 __y)
{
return pair<_T1, _T2>(__x, __y);
}
template <int dim> class bar;
template <int dim>
pair<bar<dim> *, unsigned int>
foo (unsigned int position)
{
const pair<int,unsigned int> tmp;
return make_pair (new bar<dim>(tmp.first),
position);
}