merge revision(s) 57194: [Backport #13074]

	vm_eval.c: Symbol#to_proc and instance_exec

	* vm_eval.c (yield_under): should evaluate the proc on the first
	  argument.  [ruby-core:78839] [Bug #13074]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57834 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/vm_eval.c b/vm_eval.c
index c08a849e59..721ea00700 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -1591,7 +1591,8 @@ yield_under(VALUE under, VALUE self, int argc, const VALUE *argv)
 	    block_handler = vm_proc_to_block_handler(VM_BH_TO_PROC(block_handler));
 	    goto again;
 	  case block_handler_type_symbol:
-	    return rb_sym_proc_call(SYM2ID(VM_BH_TO_SYMBOL(block_handler)), 1, &self, VM_BLOCK_HANDLER_NONE);
+	    return rb_sym_proc_call(SYM2ID(VM_BH_TO_SYMBOL(block_handler)),
+				    argc, argv, VM_BLOCK_HANDLER_NONE);
 	}
 
 	new_captured.self = self;