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-rw-r--r--test/ruby/test_gc.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/ruby/test_gc.rb b/test/ruby/test_gc.rb
index 7650c68eca..640c5c6340 100644
--- a/test/ruby/test_gc.rb
+++ b/test/ruby/test_gc.rb
@@ -262,6 +262,9 @@ class TestGc < Test::Unit::TestCase
objects.append(100.times.map { '*' })
end
+ # We need to ensure that no GC gets ran before the call to GC.start since
+ # it would trigger a major GC. Assertions could allocate objects and
+ # trigger a GC so we don't run assertions until we perform the major GC.
need_major_by = GC.latest_gc_info(:need_major_by)
GC.start(full_mark: false) # should be upgraded to major
major_by = GC.latest_gc_info(:major_by)