From: Jan Hubicka <hubicka@ucw.cz>
Date: Sun, 1 Jan 2017 23:31:53 +0000 (+0100)
Subject: re PR ipa/77674 (ICE in binds_to_current_def_p with -fkeep-inline-functions)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e2940b9866250249d464d3c4bef6ae1ecbcc74e5;p=gcc.git

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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a5767870bca..e6e6dfd807c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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
diff --git a/gcc/symtab.c b/gcc/symtab.c
index 1c2ada4a384..de87b5eebf2 100644
--- a/gcc/symtab.c
+++ b/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)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f86dd33c787..f1d43c23b45 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+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.
diff --git a/gcc/testsuite/g++.dg/torture/pr77674.C b/gcc/testsuite/g++.dg/torture/pr77674.C
new file mode 100644
index 00000000000..f933174317e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr77674.C
@@ -0,0 +1,15 @@
+// { 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);
+}
+