Remove FIELD_DECL leftover.

2019-11-05  Martin Liska  <mliska@suse.cz>

	PR c++/92339
	* fold-const.c (operand_compare::hash_operand): Remove
	FIELD_DECL handling.
2019-11-05  Martin Liska  <mliska@suse.cz>

	PR c++/92339
	* g++.dg/pr92339.C: New test.

From-SVN: r277816

gcc/ChangeLog

+2019-11-05  Martin Liska  <mliska@suse.cz>
+
+	PR c++/92339
+	* fold-const.c (operand_compare::hash_operand): Remove
+	FIELD_DECL handling.
+
 2019-11-05  Aldy Hernandez  <aldyh@redhat.com>
 
 	* tree-vrp.h (vrp_bitmap_equal_p): Remove.

gcc/fold-const.c

@@ -3682,10 +3682,6 @@ operand_compare::hash_operand (const_tree t, inchash::hash &hstate,
     case IDENTIFIER_NODE:
       hstate.add_object (IDENTIFIER_HASH_VALUE (t));
       return;
-    case FIELD_DECL:
-      inchash::add_expr (DECL_FIELD_OFFSET (t), hstate, flags);
-      inchash::add_expr (DECL_FIELD_BIT_OFFSET (t), hstate, flags);
-      return;
     case FUNCTION_DECL:
       /* When referring to a built-in FUNCTION_DECL, use the __builtin__ form.
 	 Otherwise nodes that compare equal according to operand_equal_p might

gcc/testsuite/ChangeLog

+2019-11-05  Martin Liska  <mliska@suse.cz>
+
+	PR c++/92339
+	* g++.dg/pr92339.C: New test.
+
 2019-11-05  Jakub Jelinek  <jakub@redhat.com>
 
 	* g++.dg/gomp/declare-variant-7.C: New test.

gcc/testsuite/g++.dg/pr92339.C

+/* PR c++/92339  */
+/* { dg-options "-std=c++11" } */
+
+class a {
+  template <typename b, b a::*> struct c { c(a *); };
+  int m_fn1();
+  unsigned long d;
+  using e = c<unsigned long, &a::d>;
+};
+int a::m_fn1() { e(this); return 0; }