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pt.c (unify): Call maybe_adjust_types_for_deduction when deducing from an initializer list.

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* pt.c (unify): Call maybe_adjust_types_for_deduction when
        deducing from an initializer list.

From-SVN: r144392
This commit is contained in:
Jason Merrill 2009-02-23 15:28:50 -05:00 • committed by Jason Merrill
parent 9283b51332
commit 2604de9d9f
4 changed files with 39 additions and 2 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2009-02-23 Jason Merrill <jason@redhat.com>
* pt.c (unify): Call maybe_adjust_types_for_deduction when
deducing from an initializer list.
2009-02-20 Jason Merrill <jason@redhat.com>
PR c++/39225

13
gcc/cp/pt.c
View file

@ -13204,9 +13204,18 @@ unify (tree tparms, tree targs, tree parm, tree arg, int strict)
FOR_EACH_CONSTRUCTOR_VALUE (CONSTRUCTOR_ELTS (arg), i, elt)
{
int elt_strict = strict;
if (!BRACE_ENCLOSED_INITIALIZER_P (elt))
elt = TREE_TYPE (elt);
if (unify (tparms, targs, elttype, elt, UNIFY_ALLOW_NONE))
{
tree type = TREE_TYPE (elt);
/* It should only be possible to get here for a call. */
gcc_assert (elt_strict & UNIFY_ALLOW_OUTER_LEVEL);
elt_strict |= maybe_adjust_types_for_deduction
(DEDUCE_CALL, &elttype, &type, elt);
elt = type;
}
if (unify (tparms, targs, elttype, elt, elt_strict))
return 1;
}
return 0;

4
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2009-02-23 Jason Merrill <jason@redhat.com>
* g++.dg/cpp0x/initlist14.C: New test.
2008-02-21 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/38914

19
gcc/testsuite/g++.dg/cpp0x/initlist14.C Normal file
View file

@ -0,0 +1,19 @@
// Bug: We weren't doing the normal replacement of array with pointer
// for deduction in the context of a call because of the initializer list.
// { dg-options "-std=c++0x" }
#include <initializer_list>
struct string
{
string (const char *);
};
template <class T>
struct vector
{
template <class U>
vector (std::initializer_list<U>);
};
vector<string> v = { "a", "b", "c" };