Add missing is_full_var setting in create_variable_info_for_1

2015-10-23  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-structalias.c (create_variable_info_for_1): Add missing
	setting of is_full_var in case of a single field.

From-SVN: r229218

gcc/ChangeLog

+2015-10-23  Tom de Vries  <tom@codesourcery.com>
+
+	* tree-ssa-structalias.c (create_variable_info_for_1): Add missing
+	setting of is_full_var in case of a single field.
+
 2015-10-22  Martin Sebor  <msebor@redhat.com>
 
 	PR driver/68043

gcc/tree-ssa-structalias.c

@@ -5693,6 +5693,8 @@ create_variable_info_for_1 (tree decl, const char *name)
 
   vi = new_var_info (decl, name);
   vi->fullsize = tree_to_uhwi (declsize);
+  if (fieldstack.length () == 1)
+    vi->is_full_var = true;
   for (i = 0, newvi = vi;
        fieldstack.iterate (i, &fo);
        ++i, newvi = vi_next (newvi))