Fix wrong condition in ipa-visibility.c (PR ipa/81520).

2017-07-25  Martin Liska  <mliska@suse.cz>

	PR ipa/81520
	* ipa-visibility.c (function_and_variable_visibility): Make the redirection
	just on target that do supporting aliasing.  Fix GNU coding style.
2017-07-25  Martin Liska  <mliska@suse.cz>

	PR ipa/81520
	* gcc.dg/ipa/pr81520.c: New test.

From-SVN: r250501

gcc/ChangeLog

+2017-07-25  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/81520
+	* ipa-visibility.c (function_and_variable_visibility): Make the redirection
+	just on target that do supporting aliasing.  Fix GNU coding style.
+
 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 
 	PR libgcc/61152

gcc/ipa-visibility.c

@@ -615,9 +615,10 @@ function_and_variable_visibility (bool whole_program)
   struct cgraph_node *node;
   varpool_node *vnode;
 
-  /* All aliases should be procssed at this point.  */
+  /* All aliases should be processed at this point.  */
   gcc_checking_assert (!alias_pairs || !alias_pairs->length ());
 
+#ifdef ASM_OUTPUT_DEF
   FOR_EACH_DEFINED_FUNCTION (node)
     {
       if (node->get_availability () != AVAIL_INTERPOSABLE
@@ -648,6 +649,8 @@ function_and_variable_visibility (bool whole_program)
 	    }
 	}
     }
+#endif
+
   FOR_EACH_FUNCTION (node)
     {
       int flags = flags_from_decl_or_type (node->decl);

gcc/testsuite/ChangeLog

+2017-07-25  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/81520
+	* gcc.dg/ipa/pr81520.c: New test.
+
 2017-07-25  Marek Polacek  <polacek@redhat.com>
 
 	PR c/81364

gcc/testsuite/gcc.dg/ipa/pr81520.c

+/* PR ipa/81520 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fPIC" } */
+/* { dg-require-effective-target fpic } */
+
+char
+a (int b)
+{
+  a (b);
+  return 0;
+}