PR c++/79796 - ICE with NSDMI and this pointer

	PR c++/79796 - ICE with NSDMI and this pointer
	* call.c (build_over_call): Handle NSDMI with a 'this' by calling
	replace_placeholders.

	* g++.dg/cpp0x/nsdmi13.C: New test.

From-SVN: r245927

gcc/cp/ChangeLog

+2017-03-06  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/79796 - ICE with NSDMI and this pointer
+	* call.c (build_over_call): Handle NSDMI with a 'this' by calling
+	replace_placeholders.
+
 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/79822

gcc/cp/call.c

@@ -8047,6 +8047,9 @@ build_over_call (struct z_candidate *cand, int flags, tsubst_flags_t complain)
 	{
 	  arg = cp_build_indirect_ref (arg, RO_NULL, complain);
 	  val = build2 (MODIFY_EXPR, TREE_TYPE (to), to, arg);
+	  if (cxx_dialect >= cxx14)
+	    /* Handle NSDMI that refer to the object being initialized.  */
+	    replace_placeholders (arg, to);
 	}
       else
 	{

gcc/testsuite/ChangeLog

+2017-03-06  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/79796 - ICE with NSDMI and this pointer
+	* g++.dg/cpp0x/nsdmi13.C: New test.
+
 2017-03-06  Julia Koval  <julia.koval@intel.com>
 
 	PR target/79793

gcc/testsuite/g++.dg/cpp0x/nsdmi13.C

+// PR c++/79796
+// { dg-do compile { target c++11 } }
+
+struct A
+{
+  A* p = this;
+};
+
+void foo()
+{
+  A a;
+  a = A({});
+}