Revert "YJIT: Rest and block_arg support (#7557)"

This reverts commit 5d0a1ffafa61da04dbda38a5cb5565bcb8032a78.

This commit is causing sequel in yjit-bench to raise with this stack trace:

```
sequel-5.64.0/lib/sequel/dataset/sql.rb:266:in `literal': wrong argument type Array (expected Proc) (TypeError)
	from sequel-5.64.0/lib/sequel/database/misc.rb:269:in `literal'
	from sequel-5.64.0/lib/sequel/adapters/shared/sqlite.rb:314:in `column_definition_default_sql'
	from sequel-5.64.0/lib/sequel/database/schema_methods.rb:564:in `block in column_definition_sql'
	from sequel-5.64.0/lib/sequel/database/schema_methods.rb:564:in `each'
	from sequel-5.64.0/lib/sequel/database/schema_methods.rb:564:in `column_definition_sql'
	from sequel-5.64.0/lib/sequel/database/schema_methods.rb:634:in `block in column_list_sql'
	from sequel-5.64.0/lib/sequel/database/schema_methods.rb:634:in `map'
	from sequel-5.64.0/lib/sequel/database/schema_methods.rb:634:in `column_list_sql'
	from sequel-5.64.0/lib/sequel/database/schema_methods.rb:753:in `create_table_sql'
	from sequel-5.64.0/lib/sequel/adapters/shared/sqlite.rb:348:in `create_table_sql'
	from sequel-5.64.0/lib/sequel/database/schema_methods.rb:702:in `create_table_from_generator'
	from sequel-5.64.0/lib/sequel/database/schema_methods.rb:203:in `create_table'
	from benchmarks/sequel/benchmark.rb:19:in `<main>'
```

1 files changed, 7 insertions, 2 deletions

diff --git a/yjit/src/codegen.rs b/yjit/src/codegen.rs
index 6b840ee475..d0fd439264 100644
--- a/yjit/src/codegen.rs
+++ b/yjit/src/codegen.rs
@@ -5181,9 +5181,9 @@ fn move_rest_args_to_stack(array: Opnd, num_args: u32, ctx: &mut Context, asm: &
 
     let array_len_opnd = get_array_len(asm, array);
 
-    asm.comment("Side exit if length is less than required");
+    asm.comment("Side exit if length doesn't not equal remaining args");
     asm.cmp(array_len_opnd, num_args.into());
-    asm.jl(counted_exit!(ocb, side_exit, send_iseq_has_rest_and_splat_not_equal));
+    asm.jbe(counted_exit!(ocb, side_exit, send_splatarray_length_not_equal));
 
     asm.comment("Push arguments from array");
 
@@ -5413,6 +5413,11 @@ fn gen_send_iseq(
         return CantCompile;
     }
 
+    if iseq_has_rest && unsafe { get_iseq_flags_has_block(iseq) } {
+        gen_counter_incr!(asm, send_iseq_has_rest_and_block);
+        return CantCompile;
+    }
+
     if iseq_has_rest && unsafe { get_iseq_flags_has_kw(iseq) } {
         gen_counter_incr!(asm, send_iseq_has_rest_and_kw);
         return CantCompile;