re PR ipa/77674 (ICE in binds_to_current_def_p with -fkeep-inline-functions)

	PR middle-end/77674
	* symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
	transparent aliases.

	PR middle-end/77674
	* g++.dg/torture/pr77674.C: New testcase.

From-SVN: r243997

gcc/ChangeLog

 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
 
+	PR middle-end/77674
+	* symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
+	transparent aliases.
+
+2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
+
 	PR middle-end/77484
 	* predict.def (PRED_CALL): Update hitrate.
 	(PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.

gcc/symtab.c

@@ -2214,6 +2214,9 @@ symtab_node::binds_to_current_def_p (symtab_node *ref)
 {
   if (!definition)
     return false;
+  if (transparent_alias)
+    return definition
+	   && get_alias_target()->binds_to_current_def_p (ref);
   if (decl_binds_to_current_def_p (decl))
     return true;
 
@@ -2225,8 +2228,6 @@ symtab_node::binds_to_current_def_p (symtab_node *ref)
   if (DECL_EXTERNAL (decl))
     return false;
 
-  if (!externally_visible)
-    debug ();
   gcc_assert (externally_visible);
 
   if (ref)

gcc/testsuite/ChangeLog

+2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR middle-end/77674
+	* g++.dg/torture/pr77674.C: New testcase.
+
 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 
 	Update copyright years.

gcc/testsuite/g++.dg/torture/pr77674.C

+// { dg-do compile }
+typedef struct { } __fsid_t;
+typedef unsigned long int pthread_t;
+extern "C" {
+  extern __inline __attribute__ ((__gnu_inline__)) int pthread_equal (pthread_t __thread1, pthread_t __thread2) throw ()   {
+  }
+}
+typedef pthread_t __gthread_t;
+static __typeof (pthread_equal)      __gthrw_pthread_equal __attribute__ ((__weakref__ ("pthread_equal")));
+
+static inline int __gthread_equal (__gthread_t __t1, __gthread_t __t2)
+{
+  return __gthrw_pthread_equal (__t1, __t2);
+}
+