On Thu, 2 Aug 2012, Jason Merrill wrote:

On 08/02/2012 07:42 AM, Marc Glisse wrote:
+           if (SCALAR_TYPE_P (object_type)
+               || TREE_CODE (object_type) == VECTOR_TYPE)

You can use "scalarish_type_p" for this test.  OK with that change.

That function was static, so I had to change that. I will thus commit the attached tomorrow:

gcc/cp/ChangeLog
2012-08-02  Marc Glisse  <marc.gli...@inria.fr>

        * pt.c (tsubst_copy_and_build): Handle VECTOR_TYPE like scalars.
        * cp-tree.h (scalarish_type_p): Declare.
        * tree.c (scalarish_type_p): Make non-static.

gcc/testsuite/ChangeLog
2012-08-02  Marc Glisse  <marc.gli...@inria.fr>

        * g++.dg/ext/vector17.C: New testcase.

--
Marc Glisse
Index: testsuite/g++.dg/ext/vector17.C
===================================================================
--- testsuite/g++.dg/ext/vector17.C     (revision 0)
+++ testsuite/g++.dg/ext/vector17.C     (revision 0)
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+typedef double __attribute__((vector_size(1024) )) vec;
+
+template <class T>
+void f (T *p)
+{
+  p->~T();
+}
+void g (vec *p)
+{
+  f(p);
+}

Property changes on: testsuite/g++.dg/ext/vector17.C
___________________________________________________________________
Added: svn:keywords
   + Author Date Id Revision URL
Added: svn:eol-style
   + native

Index: cp/tree.c
===================================================================
--- cp/tree.c   (revision 190086)
+++ cp/tree.c   (working copy)
@@ -2811,21 +2811,21 @@ is_dummy_object (const_tree ob)
 {
   if (TREE_CODE (ob) == INDIRECT_REF)
     ob = TREE_OPERAND (ob, 0);
   return (TREE_CODE (ob) == NOP_EXPR
          && TREE_OPERAND (ob, 0) == void_zero_node);
 }
 
 /* Returns 1 iff type T is something we want to treat as a scalar type for
    the purpose of deciding whether it is trivial/POD/standard-layout.  */
 
-static bool
+bool
 scalarish_type_p (const_tree t)
 {
   if (t == error_mark_node)
     return 1;
 
   return (SCALAR_TYPE_P (t)
          || TREE_CODE (t) == VECTOR_TYPE);
 }
 
 /* Returns true iff T requires non-trivial default initialization.  */
Index: cp/cp-tree.h
===================================================================
--- cp/cp-tree.h        (revision 190086)
+++ cp/cp-tree.h        (working copy)
@@ -5690,20 +5690,21 @@ extern tree stabilize_expr                      (tree, 
tree
 extern void stabilize_call                     (tree, tree *);
 extern void stabilize_aggr_init                        (tree, tree *);
 extern bool stabilize_init                     (tree, tree *);
 extern tree add_stmt_to_compound               (tree, tree);
 extern void init_tree                          (void);
 extern bool pod_type_p                         (const_tree);
 extern bool layout_pod_type_p                  (const_tree);
 extern bool std_layout_type_p                  (const_tree);
 extern bool trivial_type_p                     (const_tree);
 extern bool trivially_copyable_p               (const_tree);
+extern bool scalarish_type_p                   (const_tree);
 extern bool type_has_nontrivial_default_init   (const_tree);
 extern bool type_has_nontrivial_copy_init      (const_tree);
 extern bool class_tmpl_impl_spec_p             (const_tree);
 extern int zero_init_p                         (const_tree);
 extern tree strip_typedefs                     (tree);
 extern tree strip_typedefs_expr                        (tree);
 extern tree copy_binfo                         (tree, tree, tree,
                                                 tree *, int);
 extern int member_p                            (const_tree);
 extern cp_lvalue_kind real_lvalue_p            (const_tree);
Index: cp/pt.c
===================================================================
--- cp/pt.c     (revision 190086)
+++ cp/pt.c     (working copy)
@@ -13844,21 +13844,21 @@ tsubst_copy_and_build (tree t,
                                    args, complain, in_decl);
        else
          member = tsubst_copy (member, args, complain, in_decl);
        if (member == error_mark_node)
          return error_mark_node;
 
        if (type_dependent_expression_p (object))
          /* We can't do much here.  */;
        else if (!CLASS_TYPE_P (object_type))
          {
-           if (SCALAR_TYPE_P (object_type))
+           if (scalarish_type_p (object_type))
              {
                tree s = NULL_TREE;
                tree dtor = member;
 
                if (TREE_CODE (dtor) == SCOPE_REF)
                  {
                    s = TREE_OPERAND (dtor, 0);
                    dtor = TREE_OPERAND (dtor, 1);
                  }
                if (TREE_CODE (dtor) == BIT_NOT_EXPR)

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