trans-common.c (create_common): Set TREE_PUBLIC to false on fake variables.

2009-10-28  Rafael Avila de Espindola  <espindola@google.com>

	* trans-common.c (create_common): Set TREE_PUBLIC to false on
	fake variables.

2009-10-28  Rafael Avila de Espindola  <espindola@google.com>

	* dbxout.c (dbxout_common_check): Accept non public trees.
	* dwarf2out.c (fortran_common): Accept non public trees.

From-SVN: r153685

gcc/ChangeLog

 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
 
+	* dbxout.c (dbxout_common_check): Accept non public trees.
+	* dwarf2out.c (fortran_common): Accept non public trees.
+
+2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
+
 	* common.opt (fuse-linker-plugin): New option.
 	* gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
 	fuse-linker-plugin.

gcc/dbxout.c

@@ -3189,7 +3189,7 @@ dbxout_common_check (tree decl, int *value)
   rtx sym_addr;
   const char *name = NULL;
   
-  /* If the decl isn't a VAR_DECL, or if it isn't public or static, or if
+  /* If the decl isn't a VAR_DECL, or if it isn't static, or if
      it does not have a value (the offset into the common area), or if it
      is thread local (as opposed to global) then it isn't common, and shouldn't
      be handled as such.
@@ -3198,7 +3198,6 @@ dbxout_common_check (tree decl, int *value)
      for thread-local symbols.  Can be handled via same mechanism as used
      in dwarf2out.c.  */
   if (TREE_CODE (decl) != VAR_DECL
-      || !TREE_PUBLIC(decl)
       || !TREE_STATIC(decl)
       || !DECL_HAS_VALUE_EXPR_P(decl)
       || DECL_THREAD_LOCAL_P (decl)

gcc/dwarf2out.c

@@ -15621,12 +15621,11 @@ fortran_common (tree decl, HOST_WIDE_INT *value)
   tree offset;
   int volatilep = 0, unsignedp = 0;
 
-  /* If the decl isn't a VAR_DECL, or if it isn't public or static, or if
+  /* If the decl isn't a VAR_DECL, or if it isn't static, or if
      it does not have a value (the offset into the common area), or if it
      is thread local (as opposed to global) then it isn't common, and shouldn't
      be handled as such.  */
   if (TREE_CODE (decl) != VAR_DECL
-      || !TREE_PUBLIC (decl)
       || !TREE_STATIC (decl)
       || !DECL_HAS_VALUE_EXPR_P (decl)
       || !is_fortran ())

gcc/fortran/ChangeLog

+2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
+
+	* trans-common.c (create_common): Set TREE_PUBLIC to false on
+	fake variables.
+
 2009-10-26  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/41714

gcc/fortran/trans-common.c

@@ -680,7 +680,6 @@ create_common (gfc_common_head *com, segment_info *head, bool saw_equiv)
       var_decl = build_decl (s->sym->declared_at.lb->location,
 			     VAR_DECL, DECL_NAME (s->field),
 			     TREE_TYPE (s->field));
-      TREE_PUBLIC (var_decl) = TREE_PUBLIC (decl);
       TREE_STATIC (var_decl) = TREE_STATIC (decl);
       TREE_USED (var_decl) = TREE_USED (decl);
       if (s->sym->attr.use_assoc)
@@ -689,7 +688,9 @@ create_common (gfc_common_head *com, segment_info *head, bool saw_equiv)
 	TREE_ADDRESSABLE (var_decl) = 1;
       /* This is a fake variable just for debugging purposes.  */
       TREE_ASM_WRITTEN (var_decl) = 1;
-      
+      /* Fake variables are not visible from other translation units. */
+      TREE_PUBLIC (var_decl) = 0;
+
       /* To preserve identifier names in COMMON, chain to procedure
          scope unless at top level in a module definition.  */
       if (com