(expand_end_case): Correct test for sign extending

unsigned constant index when creating index_expr.

From-SVN: r7175

diff --git a/gcc/stmt.c b/gcc/stmt.c
index a6b708fa48fd72e1dbb71f5beafb4b647676bca5..d83742648d307a1b6ef22126d4186b64d6694a03 100644 (file)
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -4382,7 +4382,7 @@ expand_end_case (orig_index)
                {
                  index_expr
                    = build_int_2 (INTVAL (index),
-                                  !unsignedp && INTVAL (index) >= 0 ? 0 : -1);
+                                  unsignedp || INTVAL (index) >= 0 ? 0 : -1);
                  index_expr = convert (TREE_TYPE (index_expr), index_expr);
                }