alias.c (get_alias_set): Initialize alias set to 0 when subset is impossible.

	* alias.c (get_alias_set):  Initialize alias set to 0 when subset is
	impossible.

From-SVN: r75861

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3658a4f189f8881a514efe02c0a08a2b2e02eb7f..060d3f85dff8317b1c3dee75822e597c0b2e5b9e 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-01-14  Jan Hubicka  <jh@suse.cz>
+
+       * alias.c (get_alias_set):  Initialize alias set to 0 when subset is
+       impossible.
+
 2004-01-14  Kelley Cook  <kcook@gcc.gnu.org>
 
        * Makefile.in: Define MAINT from --enable-maintainer-mode.

diff --git a/gcc/alias.c b/gcc/alias.c
index 0cdc32cdeafc81be6acd374996ca8b11b917d046..f1975cead5b423fedfddf2b5c1c8f8194f9f523d 100644 (file)
--- a/gcc/alias.c
+++ b/gcc/alias.c
@@ -507,7 +507,7 @@ get_alias_set (tree t)
 
                  if (pointed_to_alias_set == 0)
                    /* It's not legal to make a subset of alias set zero.  */
-                   ;
+                   DECL_POINTER_ALIAS_SET (decl) = 0;
                  else
                    {
                      DECL_POINTER_ALIAS_SET (decl) = new_alias_set ();