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-rw-r--r--test/ruby/test_jit.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_jit.rb b/test/ruby/test_jit.rb
index f519f72059..5414904e5a 100644
--- a/test/ruby/test_jit.rb
+++ b/test/ruby/test_jit.rb
@@ -61,6 +61,12 @@ class TestJIT < Test::Unit::TestCase
def jit_supported?
return @jit_supported if defined?(@jit_supported)
+ # Experimental. If you want to ensure JIT is working with this test, please set this for now.
+ if ENV.key?('RUBY_FORCE_TEST_JIT')
+ return @jit_supported = true
+ end
+
+ # Very pessimistic check. With this check, we can't ensure JIT is working.
begin
_, err = eval_with_jit('proc {}.call', verbose: 1, min_calls: 1, timeout: 10)
@jit_supported = err.match?(JIT_SUCCESS_PREFIX)