gh-126220: Fix crash on calls to `_lsprof.Profiler` methods with 0 ar… #131315

Job	Run time
Change detection / Compute changed files	12s
Check if generated files are up to date	2m 12s
Check if Autoconf files are up to date	25s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.0.15)	2m 32s
Windows MSI${{ '' }}	0s
Docs	0s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.1.7)	2m 32s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.2.3)	2m 32s
Hypothesis tests on Ubuntu	5m 27s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.3.2)	2m 22s
Address sanitizer (ubuntu-22.04)	7m 54s
CIFuzz	0s
WASI / build and test	6m 23s
Thread sanitizer / Thread sanitizer	4m 35s
Thread sanitizer (free-threading) / Thread sanitizer	5m 56s
Windows / build (arm64)	2m 49s
Windows (free-threading) / build (arm64)	3m 21s
Windows / build and test (Win32)	17m 18s
Windows (free-threading) / build and test (Win32)	24m 15s
Windows / build and test (x64)	16m 40s
Windows (free-threading) / build and test (x64)	22m 43s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	8m 54s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 34s
macOS / build and test (macos-13)	13m 1s
Ubuntu / build and test (ubuntu-22.04)	6m 45s
Ubuntu (free-threading) / build and test (ubuntu-22.04)	9m 52s
All required checks pass	2s
	2h 53m 16s

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