ipa-devirt.c (odr_subtypes_equivalent_p): Fix recursion.

	* ipa-devirt.c (odr_subtypes_equivalent_p): Fix recursion.
	(warn_types_mismatch): Fix walk of DECL_NAME.
	(odr_types_equivalent_p): Fix overactive assert.
	* lto/lto-symtab.c (lto_symtab_merge_decls_2): Fix extra space.

	* g++.dg/lto/odr-1_0.C: Fix template.
	* g++.dg/lto/odr-1_1.C: Fix template.

From-SVN: r265523

gcc/ChangeLog

+2018-10-26  Jan Hubicka  <jh@suse.cz>
+
+	* ipa-devirt.c (odr_subtypes_equivalent_p): Fix recursion.
+	(warn_types_mismatch): Fix walk of DECL_NAME.
+	(odr_types_equivalent_p): Fix overactive assert.
+
 2018-10-26  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/87105

gcc/ipa-devirt.c

@@ -719,9 +719,10 @@ odr_subtypes_equivalent_p (tree t1, tree t2, bool warn, bool *warned,
     }
   if (visited->add (pair))
     return true;
-  if (odr_types_equivalent_p (TYPE_MAIN_VARIANT (t1), TYPE_MAIN_VARIANT (t2),
-			      false, NULL, visited, loc1, loc2)
-      && !type_variants_equivalent_p (t1, t2, warn, warned))
+  if (!odr_types_equivalent_p (TYPE_MAIN_VARIANT (t1), TYPE_MAIN_VARIANT (t2),
+			      false, NULL, visited, loc1, loc2))
+    return false;
+  if (!type_variants_equivalent_p (t1, t2, warn, warned))
     return false;
   return true;
 }
@@ -1138,7 +1139,7 @@ warn_types_mismatch (tree t1, tree t2, location_t loc1, location_t loc2)
       if (TREE_CODE (n1) == TYPE_DECL)
 	n1 = DECL_NAME (n1);
       if (TREE_CODE (n2) == TYPE_DECL)
-	n1 = DECL_NAME (n2);
+	n2 = DECL_NAME (n2);
       /* Most of the time, the type names will match, do not be unnecesarily
          verbose.  */
       if (IDENTIFIER_POINTER (n1) != IDENTIFIER_POINTER (n2))
@@ -1292,10 +1293,6 @@ odr_types_equivalent_p (tree t1, tree t2, bool warn, bool *warned,
   /* Check first for the obvious case of pointer identity.  */
   if (t1 == t2)
     return true;
-  gcc_assert (!type_with_linkage_p (TYPE_MAIN_VARIANT (t1))
-	      || !type_in_anonymous_namespace_p (TYPE_MAIN_VARIANT (t1)));
-  gcc_assert (!type_with_linkage_p (TYPE_MAIN_VARIANT (t2))
-	      || !type_in_anonymous_namespace_p (TYPE_MAIN_VARIANT (t2)));
 
   /* Can't be the same type if the types don't have the same code.  */
   if (TREE_CODE (t1) != TREE_CODE (t2))

gcc/lto/ChangeLog

+2018-10-26  Jan Hubicka  <jh@suse.cz>
+
+	* lto/lto-symtab.c (lto_symtab_merge_decls_2): Fix extra space.
+
 2018-10-17  David Malcolm  <dmalcolm@redhat.com>
 
 	* Make-lang.in (selftest-lto): New.

gcc/lto/lto-symtab.c

@@ -698,7 +698,7 @@ lto_symtab_merge_decls_2 (symtab_node *first, bool diagnosed_p)
 	  if (level & 2)
 	    diag = warning_at (DECL_SOURCE_LOCATION (decl),
 			       OPT_Wodr,
-			       "%qD violates the C++ One Definition Rule ",
+			       "%qD violates the C++ One Definition Rule",
 			       decl);
 	  if (!diag && (level & 1))
 	    diag = warning_at (DECL_SOURCE_LOCATION (decl),

gcc/testsuite/ChangeLog

+2018-10-26  Jan Hubicka  <jh@suse.cz>
+
+	* g++.dg/lto/odr-1_0.C: Fix template.
+	* g++.dg/lto/odr-1_1.C: Fix template.
+
 2018-10-26  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/87105

gcc/testsuite/g++.dg/lto/odr-1_0.C

@@ -3,6 +3,6 @@
 struct a { // { dg-lto-warning "8: type 'struct a' violates the C\\+\\+ One Definition Rule" }
   struct b *ptr; // { dg-lto-message "13: the first difference of corresponding definitions is field 'ptr'" }
 };
-void test(struct a *) // { dg-lto-warning "6: warning: 'test' violates the C\\+\\+ One Definition Rule" }
+void test(struct a *)
 {
 }

gcc/testsuite/g++.dg/lto/odr-1_1.C

@@ -4,7 +4,7 @@ namespace {
 struct a {
   struct b *ptr;
 };
-void test(struct a *);
+void test(struct a *); // { dg-lto-warning "6: 'test' violates the C\\+\\+ One Definition Rule" }
 int
 main(void)
 {