Fix usage uninitialised value inside llvm14

[dcherednik]

llvm/llvm-project@f0ca0a3

[github-actions]

⚪ 2024-09-16 15:16:52 UTC Pre-commit check linux-x86_64-relwithdebinfo for 55a3afd has started.
⚪ 2024-09-16 15:17:05 UTC Artifacts will be uploaded here
⚪ 2024-09-16 15:19:57 UTC ya make is running...
🟡 2024-09-16 16:37:35 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
75685	61616	0	6	14030	33

⚪ 2024-09-16 16:45:27 UTC ya make is running... (failed tests rerun, try 2)
🟢 2024-09-16 16:53:05 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
281 (only retried tests)	185	0	0	8	88

🟢 2024-09-16 16:53:13 UTC Build successful.
🟢 2024-09-16 16:53:51 UTC ydbd size 8.4 GiB changed* by -384 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: ab3fea9	merge: 55a3afd	diff	diff %
ydbd size	9 029 858 296 Bytes	9 029 857 912 Bytes	-384 Bytes	-0.000%
ydbd stripped size	488 702 856 Bytes	488 702 920 Bytes	+64 Bytes	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2024-09-16 15:16:56 UTC Pre-commit check linux-x86_64-release-clang14 for 55a3afd has started.
⚪ 2024-09-16 15:17:13 UTC Artifacts will be uploaded here
⚪ 2024-09-16 15:20:05 UTC ya make is running...
🟢 2024-09-16 15:29:38 UTC Build successful.

[github-actions]

⚪ 2024-09-16 15:25:56 UTC Pre-commit check linux-x86_64-release-asan for 55a3afd has started.
⚪ 2024-09-16 15:26:27 UTC Artifacts will be uploaded here
⚪ 2024-09-16 15:29:52 UTC ya make is running...
🔴 2024-09-16 17:09:42 UTC Some tests failed, follow the links below.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
13279	12943	0	24	275	37

🟢 2024-09-16 17:10:54 UTC Build successful.
🟢 2024-09-16 17:11:28 UTC ydbd size 5.6 GiB changed* by -10.6 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 9537ca6	merge: 55a3afd	diff	diff %
ydbd size	6 044 890 800 Bytes	6 044 879 904 Bytes	-10.6 KiB	-0.000%
ydbd stripped size	1 512 961 552 Bytes	1 512 957 648 Bytes	-3.8 KiB	-0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}