re PR c++/65815 (brace elision doesn't work in NSDMI)

/cp
2015-06-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/65815
	* typeck2.c (digest_nsdmi_init): On aggregates use reshape_init.
	* init.c (expand_default_init): Likewise.

/testsuite
2015-06-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/65815
	* g++.dg/cpp0x/nsdmi-aggr1.C: New.
	* g++.dg/cpp0x/mem-init-aggr1.C: Likewise.

From-SVN: r224286

gcc/cp/ChangeLog

+2015-06-09  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/65815
+	* typeck2.c (digest_nsdmi_init): On aggregates use reshape_init.
+	* init.c (expand_default_init): Likewise.
+
 2015-06-09  Jason Merrill  <jason@redhat.com>
 
 	PR c++/66383

gcc/cp/init.c

@@ -1614,7 +1614,10 @@ expand_default_init (tree binfo, tree true_exp, tree exp, tree init, int flags,
       && CP_AGGREGATE_TYPE_P (type))
     /* A brace-enclosed initializer for an aggregate.  In C++0x this can
        happen for direct-initialization, too.  */
-    init = digest_init (type, init, complain);
+    {
+      init = reshape_init (type, init, complain);
+      init = digest_init (type, init, complain);
+    }
 
   /* A CONSTRUCTOR of the target's type is a previously digested
      initializer, whether that happened just above or in

gcc/cp/typeck2.c

@@ -1158,10 +1158,14 @@ digest_nsdmi_init (tree decl, tree init)
 {
   gcc_assert (TREE_CODE (decl) == FIELD_DECL);
 
+  tree type = TREE_TYPE (decl);
   int flags = LOOKUP_IMPLICIT;
   if (DIRECT_LIST_INIT_P (init))
     flags = LOOKUP_NORMAL;
-  init = digest_init_flags (TREE_TYPE (decl), init, flags);
+  if (BRACE_ENCLOSED_INITIALIZER_P (init)
+      && CP_AGGREGATE_TYPE_P (type))
+    init = reshape_init (type, init, tf_warning_or_error);
+  init = digest_init_flags (type, init, flags);
   if (TREE_CODE (init) == TARGET_EXPR)
     /* This represents the whole initialization.  */
     TARGET_EXPR_DIRECT_INIT_P (init) = true;

gcc/testsuite/ChangeLog

+2015-06-09  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/65815
+	* g++.dg/cpp0x/nsdmi-aggr1.C: New.
+	* g++.dg/cpp0x/mem-init-aggr1.C: Likewise.
+
 2015-06-09  Marek Polacek  <polacek@redhat.com>
 
 	PR tree-optimization/66299

gcc/testsuite/g++.dg/cpp0x/mem-init-aggr1.C

+// PR c++/65815
+// { dg-do compile { target c++11 } }
+
+struct array {
+  int data [2];
+};
+
+struct X : array {
+  X() : array{ 1, 2 } { }
+};

gcc/testsuite/g++.dg/cpp0x/nsdmi-aggr1.C

+// PR c++/65815
+// { dg-do compile { target c++11 } }
+
+struct array {
+  int data [2];
+};
+
+struct X {
+  array a = { 1, 2 };
+};