From 82ed90950e485ffd8b5d5536d105b3ebf953a1fa Mon Sep 17 00:00:00 2001
From: eileencodes <eileencodes@gmail.com>
Date: Tue, 16 Jan 2024 15:16:31 -0500
Subject: [Prism] Implement defined? for PM_BREAK_NODE

Ruby code:

```ruby
defined?(break)
```

Instructions:

```
"********* Ruby *************"
== disasm: #<ISeq:<compiled>@<compiled>:1 (1,0)-(59,15)>
0000 putobject                              "expression"              (  59)[Li]
0002 leave
"********* PRISM *************"
== disasm: #<ISeq:<compiled>@<compiled>:58 (58,0)-(58,15)>
0000 putobject                              "expression"              (  58)[Li]
0002 leave
```

Related: ruby/prism#2188
---
 prism_compile.c                 | 1 +
 test/ruby/test_compile_prism.rb | 1 +
 2 files changed, 2 insertions(+)

diff --git a/prism_compile.c b/prism_compile.c
index 80101e5b66..c603e2a2cd 100644
--- a/prism_compile.c
+++ b/prism_compile.c
@@ -2462,6 +2462,7 @@ pm_compile_defined_expr0(rb_iseq_t *iseq, const pm_node_t *node, LINK_ANCHOR *co
           }
       }
       case PM_AND_NODE:
+      case PM_BREAK_NODE:
       case PM_FLOAT_NODE:
       case PM_HASH_NODE:
       case PM_IMAGINARY_NODE:
diff --git a/test/ruby/test_compile_prism.rb b/test/ruby/test_compile_prism.rb
index 18ad6d1c08..16392a15e2 100644
--- a/test/ruby/test_compile_prism.rb
+++ b/test/ruby/test_compile_prism.rb
@@ -220,6 +220,7 @@ module Prism
       RUBY
 
       assert_prism_eval("defined?(next)")
+      assert_prism_eval("defined?(break)")
     end
 
     def test_GlobalVariableReadNode
-- 
cgit v1.2.3