[PRISM] Fix block param instructions when it has a recevier

In the following code:

```ruby
def foo(&blk)
  blk.call
end
```

Prism was using the `getblockparam` instruction but it should be
`getblockparamproxy`. In this case we have a receiver, if it's a local
variable read node, then it needs to go through the path to use
`getblockparamproxy`.

Before:

```
== disasm: #<ISeq:<main>@test2.rb:1 (1,0)-(3,3)>
0000 definemethod                           :foo, foo                 (   1)[Li]
0003 putobject                              :foo
0005 leave

== disasm: #<ISeq:foo@test2.rb:1 (1,0)-(3,3)>
local table (size: 1, argc: 0 [opts: 0, rest: -1, post: 0, block: 0, kw: -1@-1, kwrest: -1])
[ 1] blk@0<Block>
0000 getblockparam                          blk@0, 0                  (   2)[LiCa]
0003 opt_send_without_block                 <calldata!mid:call, argc:0, ARGS_SIMPLE>
0005 leave                                                            (   3)[Re]
```

After:

```
== disasm: #<ISeq:<main>@test2.rb:1 (1,0)-(3,3)>
0000 definemethod                           :foo, foo                 (   1)[Li]
0003 putobject                              :foo
0005 leave

== disasm: #<ISeq:foo@test2.rb:1 (1,0)-(3,3)>
local table (size: 1, argc: 0 [opts: 0, rest: -1, post: 0, block: 0, kw: -1@-1, kwrest: -1])
[ 1] blk@0<Block>
0000 getblockparamproxy                     blk@0, 0                  (   2)[LiCa]
0003 opt_send_without_block                 <calldata!mid:call, argc:0, ARGS_SIMPLE>
0005 leave                                                            (   3)[Re]
```

Fixes `test_getblockparamproxy` and `test_ifunc_getblockparamproxy` in
test_yjit.rb. Related to ruby/prism#2935.

0 files changed, 0 insertions, 0 deletions