1 files changed, 21 insertions, 10 deletions

diff --git a/vm.c b/vm.c
index 968f2dbf3e..e64c072fdc 100644
--- a/vm.c
+++ b/vm.c
@@ -2646,6 +2646,7 @@ m_core_set_postexe(VALUE self)
     return Qnil;
 }
 
+static VALUE core_hash_merge_ary(VALUE hash, VALUE ary);
 static VALUE core_hash_from_ary(VALUE ary);
 static VALUE core_hash_merge_kwd(int argc, VALUE *argv);
 
@@ -2655,6 +2656,7 @@ core_hash_merge(VALUE hash, long argc, const VALUE *argv)
     long i;
 
     Check_Type(hash, T_HASH);
+    VM_ASSERT(argc % 2 == 0);
     for (i=0; i<argc; i+=2) {
 	rb_hash_aset(hash, argv[i], argv[i+1]);
     }
@@ -2672,18 +2674,27 @@ m_core_hash_from_ary(VALUE self, VALUE ary)
 static VALUE
 core_hash_from_ary(VALUE ary)
 {
-    long n;
+    VALUE hash = rb_hash_new();
 
+    RUBY_DTRACE_CREATE_HOOK(HASH, (Check_Type(ary, T_ARRAY), RARRAY_LEN(ary)));
+    return core_hash_merge_ary(hash, ary);
+}
+
+#if 0
+static VALUE
+m_core_hash_merge_ary(VALUE self, VALUE hash, VALUE ary)
+{
+    REWIND_CFP(core_hash_merge_ary(hash, ary));
+    return hash;
+}
+#endif
+
+static VALUE
+core_hash_merge_ary(VALUE hash, VALUE ary)
+{
     Check_Type(ary, T_ARRAY);
-    n = RARRAY_LEN(ary);
-    RUBY_DTRACE_CREATE_HOOK(HASH, n);
-    if (n) {
-        VM_ASSERT(n % 2 == 0);
-        return rb_hash_new_from_values(n, RARRAY_PTR(ary));
-    }
-    else {
-        return rb_hash_new();
-    }
+    core_hash_merge(hash, RARRAY_LEN(ary), RARRAY_CONST_PTR(ary));
+    return hash;
 }
 
 static VALUE