re PR c++/85014 (internal compiler error: in lookup_base, at cp/search.c:185)

/cp
2019-03-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/85014
	* semantics.c (finish_non_static_data_member): Check return value
	of context_for_name_lookup and immediately return error_mark_node
	if isn't a type.

/testsuite
2019-03-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/85014
	* g++.dg/cpp0x/pr85014.C: New.

From-SVN: r269759

gcc/cp/ChangeLog

+2019-03-18  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/85014
+	* semantics.c (finish_non_static_data_member): Check return value
+	of context_for_name_lookup and immediately return error_mark_node
+	if isn't a type.
+
 2019-03-17  Jason Merrill  <jason@redhat.com>
 
 	PR c++/89571 - ICE with ill-formed noexcept on constructor.

gcc/cp/semantics.c

@@ -1828,7 +1828,15 @@ finish_non_static_data_member (tree decl, tree object, tree qualifying_scope)
     {
       tree scope = qualifying_scope;
       if (scope == NULL_TREE)
-	scope = context_for_name_lookup (decl);
+	{
+	  scope = context_for_name_lookup (decl);
+	  if (!TYPE_P (scope))
+	    {
+	      /* Can happen during error recovery (c++/85014).  */
+	      gcc_assert (seen_error ());
+	      return error_mark_node;
+	    }
+	}
       object = maybe_dummy_object (scope, NULL);
     }
 

gcc/testsuite/ChangeLog

+2019-03-18  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/85014
+	* g++.dg/cpp0x/pr85014.C: New.
+
 2019-03-18  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/86979
@@ -6,11 +11,12 @@
 2019-03-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR fortran/88008
-	 * gfortran.dg/typebound_call_31.f90: New test.
+	* gfortran.dg/typebound_call_31.f90: New test.
 
 2019-03-03-17  John David Anglin  <danglin@gcc.gnu.org>
 
-	* gcc.dg/compat/pr83487-1_x.c: Use -fno-common option on hppa*-*-hpux*.
+	* gcc.dg/compat/pr83487-1_x.c: Use -fno-common option on
+	hppa*-*-hpux*.
 	* gcc.dg/compat/pr83487-1_y.c: Likewise.
 
 	* gfortran.dg/pointer_init_10.f90: Require visibility support.

gcc/testsuite/g++.dg/cpp0x/pr85014.C

+// { dg-do compile { target c++11 } }
+// { dg-options "" }
+
+struct {
+  short a[__builtin_constant_p([] {
+    struct {
+      int b = b;
+      };  // { dg-error "abstract declarator" }
+  })];
+};  // { dg-error "abstract declarator" }