PR c++/41468

[pf3gnuchains/gcc-fork.git] / gcc / cp / call.c

diff --git a/gcc/cp/call.c b/gcc/cp/call.c
index edec6ea..a97f7dc 100644 (file)
--- a/gcc/cp/call.c
+++ b/gcc/cp/call.c
@@ -626,23 +626,27 @@ build_aggr_conv (tree type, tree ctor, int flags)
 {
   unsigned HOST_WIDE_INT i = 0;
   conversion *c;
-  tree field = TYPE_FIELDS (type);
+  tree field = next_initializable_field (TYPE_FIELDS (type));
 
-  for (; field; field = TREE_CHAIN (field), ++i)
+  for (; field; field = next_initializable_field (TREE_CHAIN (field)))
     {
-      if (TREE_CODE (field) != FIELD_DECL)
-       continue;
       if (i < CONSTRUCTOR_NELTS (ctor))
        {
          constructor_elt *ce = CONSTRUCTOR_ELT (ctor, i);
          if (!can_convert_arg (TREE_TYPE (field), TREE_TYPE (ce->value),
                                ce->value, flags))
            return NULL;
+         ++i;
+         if (TREE_CODE (type) == UNION_TYPE)
+           break;
        }
       else if (build_value_init (TREE_TYPE (field)) == error_mark_node)
        return NULL;
     }
 
+  if (i < CONSTRUCTOR_NELTS (ctor))
+    return NULL;
+
   c = alloc_conversion (ck_aggr);
   c->type = type;
   c->rank = cr_exact;
@@ -2259,6 +2263,8 @@ type_decays_to (tree type)
     return build_pointer_type (TREE_TYPE (type));
   if (TREE_CODE (type) == FUNCTION_TYPE)
     return build_pointer_type (type);
+  if (!MAYBE_CLASS_TYPE_P (type))
+    type = cv_unqualified (type);
   return type;
 }
 
@@ -5013,7 +5019,7 @@ convert_like_real (conversion *convs, tree expr, tree fn, int argnum,
          /* Build an expression for `*((base*) &expr)'.  */
          expr = cp_build_unary_op (ADDR_EXPR, expr, 0, complain);
          expr = convert_to_base (expr, build_pointer_type (totype),
-                                 !c_cast_p, /*nonnull=*/true);
+                                 !c_cast_p, /*nonnull=*/true, complain);
          expr = cp_build_indirect_ref (expr, RO_IMPLICIT_CONVERSION, complain);
          return expr;
        }
@@ -5136,7 +5142,7 @@ convert_like_real (conversion *convs, tree expr, tree fn, int argnum,
     case ck_ptr:
       if (convs->base_p)
        expr = convert_to_base (expr, totype, !c_cast_p,
-                               /*nonnull=*/false);
+                               /*nonnull=*/false, complain);
       return build_nop (totype, expr);
 
     case ck_pmem:
@@ -7578,7 +7584,7 @@ perform_direct_initialization_if_possible (tree type,
     expr = convert_like_real (conv, expr, NULL_TREE, 0, 0,
                              /*issue_conversion_warnings=*/false,
                              c_cast_p,
-                             tf_warning_or_error);
+                             complain);
 
   /* Free all the conversions we allocated.  */
   obstack_free (&conversion_obstack, p);
@@ -7804,7 +7810,7 @@ initialize_reference (tree type, tree expr, tree decl, tree *cleanup,
                expr = convert_to_base (expr,
                                        build_pointer_type (base_conv_type),
                                        /*check_access=*/true,
-                                       /*nonnull=*/true);
+                                       /*nonnull=*/true, complain);
              expr = build2 (COMPOUND_EXPR, TREE_TYPE (expr), init, expr);
            }
          else