memory leak after ValueError in JIT

[YuanchengJiang]

Bug report

Bug description:

def test_in_table_c8_with_characters():
    for cp in range(128, 999999999999):
        ch = chr(cp)
test_in_table_c8_with_characters()

config: --enable-experimental-jit=yes --with-address-sanitizer

Traceback (most recent call last):
  File "/home/fuzz/WorkSpace/flowfusion-cpython/leak_pocs/976/./min.py", line 4, in <module>
    test_in_table_c8_with_characters()
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/home/fuzz/WorkSpace/flowfusion-cpython/leak_pocs/976/./min.py", line 3, in test_in_table_c8_with_characters
    ch = chr(cp)
ValueError: chr() arg not in range(0x110000)

=================================================================
==1588536==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 976 byte(s) in 1 object(s) allocated from:
    #0 0x78749dd8f9c7 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
    #1 0x58cde3b0f6b7 in _PyObject_MallocWithType ../Include/internal/pycore_object_alloc.h:46
    #2 0x58cde3b0f6b7 in gc_alloc ../Python/gc.c:2327
    #3 0x58cde3b0f6b7 in _PyObject_GC_NewVar ../Python/gc.c:2369
    #4 0x58cde3bede54 in make_executor_from_uops ../Python/optimizer.c:1120
    #5 0x58cde3bede54 in uop_optimize ../Python/optimizer.c:1341
    #6 0x58cde3bede54 in _PyOptimizer_Optimize ../Python/optimizer.c:136
    #7 0x58cde35b7940 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:7656
    #8 0x58cde3a79686 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
    #9 0x58cde3a79686 in _PyEval_Vector ../Python/ceval.c:1997
    #10 0x58cde3a79686 in PyEval_EvalCode ../Python/ceval.c:880
    #11 0x58cde3c36b0e in run_eval_code_obj ../Python/pythonrun.c:1365
    #12 0x58cde3c36b0e in run_mod ../Python/pythonrun.c:1459
    #13 0x58cde3c3b7b7 in pyrun_file ../Python/pythonrun.c:1293
    #14 0x58cde3c3b7b7 in _PyRun_SimpleFileObject ../Python/pythonrun.c:521
    #15 0x58cde3c3c2dc in _PyRun_AnyFileObject ../Python/pythonrun.c:81
    #16 0x58cde3cb8bdc in pymain_run_file_obj ../Modules/main.c:410
    #17 0x58cde3cb8bdc in pymain_run_file ../Modules/main.c:429
    #18 0x58cde3cb8bdc in pymain_run_python ../Modules/main.c:691
    #19 0x58cde3cba4be in Py_RunMain ../Modules/main.c:772
    #20 0x58cde3cba4be in pymain_main ../Modules/main.c:802
    #21 0x58cde3cba4be in Py_BytesMain ../Modules/main.c:826
    #22 0x78749d9c11c9  (/lib/x86_64-linux-gnu/libc.so.6+0x2a1c9) (BuildId: 282c2c16e7b6600b0b22ea0c99010d2795752b5f)
    #23 0x78749d9c128a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a28a) (BuildId: 282c2c16e7b6600b0b22ea0c99010d2795752b5f)
    #24 0x58cde35dcf54 in _start (/home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/python+0x218f54) (BuildId: 3087b1f6c97d85c049f8eaa36e3ac5b15eccf317)

SUMMARY: AddressSanitizer: 976 byte(s) leaked in 1 allocation(s).

CPython versions tested on:

CPython main branch

Operating systems tested on:

Linux