varasm.c (do_assemble_alias): Follow transparent alias chain for target.

gcc/

	* varasm.c (do_assemble_alias): Follow transparent alias
	chain for target.
	(default_assemble_visibility): Follow transparent alias
	chain for decl name.

gcc/testsuite/

	* gcc.target/i386/chkp-hidden-def.c: New.

From-SVN: r220391

gcc/ChangeLog

+2015-02-04  Ilya Enkovich  <ilya.enkovich@intel.com>
+
+	* varasm.c (do_assemble_alias): Follow transparent alias
+	chain for target.
+	(default_assemble_visibility): Follow transparent alias
+	chain for decl name.
+
 2015-02-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 
 	PR middle-end/62103

gcc/testsuite/ChangeLog

+2015-02-04  Ilya Enkovich  <ilya.enkovich@intel.com>
+
+	* gcc.target/i386/chkp-hidden-def.c: New.
+
 2015-02-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 
 	PR middle-end/62103

gcc/testsuite/gcc.target/i386/chkp-hidden-def.c

+/* { dg-do compile } */
+/* { dg-require-effective-target mpx } */
+/* { dg-options "-fcheck-pointer-bounds -mmpx -O2" } */
+/* { dg-final { scan-assembler-not "test.chkp" } } */
+
+int test (int *p);
+extern __typeof (test) test  __asm__ ("" "__test") __attribute__ ((visibility ("hidden")));
+
+int test (int *p)
+{
+  return *p;
+}
+
+extern __typeof (test) __test1 __asm__("" "test");
+extern __typeof (test) __test1 __attribute__((alias ("" "__test")));

gcc/varasm.c

@@ -5601,6 +5601,7 @@ do_assemble_alias (tree decl, tree target)
 
   id = DECL_ASSEMBLER_NAME (decl);
   ultimate_transparent_alias_target (&id);
+  ultimate_transparent_alias_target (&target);
 
   /* We must force creation of DECL_RTL for debug info generation, even though
      we don't use it here.  */
@@ -5612,8 +5613,6 @@ do_assemble_alias (tree decl, tree target)
 
   if (lookup_attribute ("weakref", DECL_ATTRIBUTES (decl)))
     {
-      ultimate_transparent_alias_target (&target);
-
       if (!TREE_SYMBOL_REFERENCED (target))
 	weakref_targets = tree_cons (decl, target, weakref_targets);
 
@@ -5944,8 +5943,12 @@ default_assemble_visibility (tree decl ATTRIBUTE_UNUSED,
   };
 
   const char *name, *type;
+  tree id;
+
+  id = DECL_ASSEMBLER_NAME (decl);
+  ultimate_transparent_alias_target (&id);
+  name = IDENTIFIER_POINTER (id);
 
-  name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
   type = visibility_types[vis];
 
   fprintf (asm_out_file, "\t.%s\t", type);