re PR tree-optimization/25737 (ACATS c974001 c974013 hang with struct aliasing)

	PR tree-optimization/25737
	* misc.c (gnat_post_options): Do not force flag_tree_salias to 0.

From-SVN: r125915

gcc/ada/ChangeLog

+2007-06-21  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR tree-optimization/25737
+	* misc.c (gnat_post_options): Do not force flag_tree_salias to 0.
+
 2007-06-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 
 	* trans.c (Attribute_to_gnu): When subtracting an

gcc/ada/misc.c

@@ -376,11 +376,6 @@ gnat_post_options (const char **pfilename ATTRIBUTE_UNUSED)
   else
     flag_eliminate_unused_debug_types = 0;
 
-  /* The structural alias analysis machinery essentially assumes that
-     everything is addressable (modulo bit-fields) by disregarding
-     the TYPE_NONALIASED_COMPONENT and DECL_NONADDRESSABLE_P macros.  */
-  flag_tree_salias = 0;
-
   return false;
 }