Proc from Symbol needs a receiver

So its arity should be -2 instead of -1.

[Bug #16640]
https://bugs.ruby-lang.org/issues/16640#change-84337

1 files changed, 2 insertions, 1 deletions

diff --git a/proc.c b/proc.c
index 7fee55b098..390b1bf3fa 100644
--- a/proc.c
+++ b/proc.c
@@ -1091,7 +1091,8 @@ rb_vm_block_min_max_arity(const struct rb_block *block, int *max)
 	    return ifunc->argc.min;
 	}
       case block_type_symbol:
-	break;
+        *max = UNLIMITED_ARGUMENTS;
+        return 1;
     }
     *max = UNLIMITED_ARGUMENTS;
     return 0;