``test_compile`` leaks references

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Bug report

Bug description:

./python.exe -m test -R 3:3 test_compile
Using random seed: 3846844224
0:00:00 load avg: 4.57 Run 1 test sequentially
0:00:00 load avg: 4.57 [1/1] test_compile
beginning 6 repetitions. Showing number of leaks (. for 0 or less, X for 10 or more)
123:456
XX4 444
test_compile leaked [2, 2, 2] references, sum=6
test_compile leaked [4, 4, 4] memory blocks, sum=12
test_compile failed (reference leak)

== Tests result: FAILURE ==

1 test failed:
 test_compile

Total duration: 12.3 sec
Total tests: run=164 skipped=1
Total test files: run=1/1 failed=1
Result: FAILURE

CPython versions tested on:

CPython main branch

Operating systems tested on:

macOS

Linked PRs

• gh-118023: Fix reference leak #118025

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Bisected to c179c0e
cc @iritkatriel