+2015-05-16 Jan HUbicka <hubicka@ucw.cz>
+
+ * ipa-utils.h (warn_types_mismatch, odr_or_derived_type_p,
+ odr_types_equivalent_p): Declare.
+ (odr_type_p): Use gcc_checking_assert.
+ (type_in_anonymous_namespace_p) Declare.
+ (type_with_linkage_p): Declare.
+ * common.opt (Wlto-type-mismatch): New warning.
+ * ipa-devirt.c (compound_type_base): New function.
+ (odr_or_derived_type_p): New function.
+ (odr_types_equivalent_p): New function.
+ (add_type_duplicate): Simplify.
+ (type_with_linkage_p): Add hack to prevent false positives on C types
+ (type_in_anonymous_namespace_p): Likewise.
+ * tree.c (need_assembler_name_p): Use type_with_linkage.
+ * tree.h (type_in_anonymous_namespace_p): Remove.
+ * doc/invoke.texi (-Wlto-type-mismatch): Document
+
2015-05-16 Jan HUbicka <hubicka@ucw.cz>
* tree.c (verify_type_variant): Verify tree_base and type_common flags.