re PR tree-optimization/21470 (-fargument-noalias-global has no effect for the vectorizer)

2006-01-26  Richard Guenther  <rguenther@suse.de>
            Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21470
        partial PR tree-opt/17064
        * tree-ssa-structalias.c (intra_create_variable_infos):
        Create heap variables for incoming parameters if
        flag_argument_noalias > 1.
        (find_what_p_points_to): Look through default defs of
        parameter decls.

From-SVN: r110263

gcc/ChangeLog

 2006-01-26  Richard Guenther  <rguenther@suse.de>
             Andrew Pinski  <pinskia@physics.uc.edu>
 
+	PR tree-opt/21470
+	partial PR tree-opt/17064
 	* tree-ssa-structalias.c (intra_create_variable_infos):
 	Create heap variables for incoming parameters if
 	flag_argument_noalias > 1.