Add rb_block_call2, a flexible variant of rb_block_call

This function accepts flags:

RB_NO_KEYWORDS, RB_PASS_KEYWORDS, RB_PASS_CALLED_KEYWORDS:
Works as the same as rb_block_call_kw.

RB_BLOCK_NO_USE_PACKED_ARGS:
The given block ("bl_proc") does not use "yielded_arg" of rb_block_call_func_t.
Instead, the block accesses the yielded arguments via "argc" and "argv".
This flag allows the called method to yield arguments without allocating an Array.

1 files changed, 6 insertions, 0 deletions

diff --git a/proc.c b/proc.c
index 09b288fecd..fd1edb2bdc 100644
--- a/proc.c
+++ b/proc.c
@@ -1159,6 +1159,12 @@ rb_block_pair_yield_optimizable(void)
             return min > 1;
         }
 
+      case block_handler_type_ifunc:
+        {
+            const struct vm_ifunc *ifunc = block.as.captured.code.ifunc;
+            if (ifunc->flags & IFUNC_YIELD_OPTIMIZABLE) return 1;
+        }
+
       default:
         return min > 1;
     }