------- Comment #15 from rguenth at gcc dot gnu dot org 2009-08-28 10:59
-------
Index: cp/cp-gimplify.c
===================================================================
--- cp/cp-gimplify.c (revision 151156)
+++ cp/cp-gimplify.c (working copy)
@@ -853,6 +853,15 @@ cp_genericize_r (tree *stmt_p, int *walk
*walk_subtrees = 0;
}
+ else if (TREE_CODE (stmt) == MODIFY_EXPR
+ && (integer_zerop (cp_expr_size (TREE_OPERAND (stmt, 0)))
+ || integer_zerop (cp_expr_size (TREE_OPERAND (stmt, 1)))))
+ {
+ *stmt_p = build2 (COMPOUND_EXPR, TREE_TYPE (stmt),
+ TREE_OPERAND (stmt, 0),
+ TREE_OPERAND (stmt, 1));
+ }
+
pointer_set_insert (p_set, *stmt_p);
return NULL;
fixes the testcase on the lto branch. I'm going to test this patch on trunk.
Jason - might there be any reason this is not correct?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41058
