Fix a YJIT enablement check

k0kubun · k0kubun · commit 8d31a60f47fb · 2023-03-03T17:03:26.000-08:00
This should be enough for `make test` and `make btest-ruby` while it
doesn't work for `make btest`.
diff --git a/bootstraptest/test_ractor.rb b/bootstraptest/test_ractor.rb
@@ -1673,7 +1673,7 @@ def initialize
 }
 
 # Selector#wait can support dynamic addition
-yjit_enabled = ENV.key?('RUBY_YJIT_ENABLE') || ENV.fetch('RUN_OPTS', '').include?('yjit')
+yjit_enabled = defined?(RubyVM::YJIT) && RubyVM::YJIT.enabled?
 assert_equal '600', %q{
   RN = 100
   s = Ractor::Selector.new

Original file line number	Diff line number	Diff line change
`@@ -1673,7 +1673,7 @@ def initialize`
`1673`	`1673`	`}`
`1674`	`1674`
`1675`	`1675`	`# Selector#wait can support dynamic addition`
`1676`		`-yjit_enabled = ENV.key?('RUBY_YJIT_ENABLE') \|\| ENV.fetch('RUN_OPTS', '').include?('yjit')`
	`1676`	`+yjit_enabled = defined?(RubyVM::YJIT) && RubyVM::YJIT.enabled?`
`1677`	`1677`	`assert_equal '600', %q{`
`1678`	`1678`	`RN = 100`
`1679`	`1679`	`s = Ractor::Selector.new`