diff options
Diffstat (limited to 'bootstraptest')
-rw-r--r-- | bootstraptest/test_yjit.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/bootstraptest/test_yjit.rb b/bootstraptest/test_yjit.rb index 99de63eafa..7cf39f2126 100644 --- a/bootstraptest/test_yjit.rb +++ b/bootstraptest/test_yjit.rb @@ -1,3 +1,23 @@ +# Regression test for GC mishap while doing shape transition +assert_equal '[:ok]', %q{ + # [Bug #19601] + class RegressionTest + def initialize + @a = @b = @fourth_ivar_does_shape_transition = nil + end + + def extender + @first_extended_ivar = [:ok] + end + end + + GC.stress = true + + # Used to crash due to GC run in rb_ensure_iv_list_size() + # not marking the newly allocated [:ok]. + RegressionTest.new.extender.itself +} + assert_equal 'true', %q{ # regression test for tracking type of locals for too long def local_setting_cmp(five) |