revert newhash refactoring

We need to fix GC bug before merging this.  Revert revisions
58452, 58435, 58434, 58428, 58427 in this order.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58463 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 5 deletions

diff --git a/insns.def b/insns.def
index 36ba48eaea..a056b221d5 100644
--- a/insns.def
+++ b/insns.def
@@ -492,13 +492,16 @@ newhash
 (...)
 (VALUE val) // inc += 1 - num;
 {
+    rb_num_t i;
+
     RUBY_DTRACE_CREATE_HOOK(HASH, num);
 
-    if (num) {
-	val = rb_hash_new_from_values(num, STACK_ADDR_FROM_TOP(num));
-    }
-    else {
-	val = rb_hash_new();
+    val = rb_hash_new();
+
+    for (i = num; i > 0; i -= 2) {
+	const VALUE v = TOPN(i - 2);
+	const VALUE k = TOPN(i - 1);
+	rb_hash_aset(val, k, v);
     }
     POPN(num);
 }