Correctly try to open split files. #1892

Job	Run time
macOS (macos-13, macos-aarch64-dyn)	2m 17s
Linux (linux-x86_64-static, true)	5m 15s
macOS (macos-13, macos-x86_64-dyn)	5m 1s
OSSF Scorecard	16s
Linux (linux-x86_64-static, false)	3m 43s
macOS (macos-13, ios-arm64-dyn)	2m 26s
Linux (linux-x86_64-dyn, true)	4m 59s
macOS (macos-13, ios-x86_64-dyn)	2m 25s
Linux (linux-x86_64-dyn, false)	4m 28s
macOS (macos-14, macos-aarch64-dyn)	2m 12s
Linux (linux-aarch64-musl-dyn, true)	3m 3s
Windows	5m 17s
macOS (macos-14, ios-arm64-dyn)	2m 12s
Linux (linux-aarch64-musl-dyn, false)	1m 52s
Linux (linux-aarch64-dyn, true)	1m 59s
macOS (macos-14, ios-x86_64-dyn)	2m 10s
Linux (linux-aarch64-dyn, false)	1m 55s
Linux (android-arm, true)	2m 2s
Linux (android-arm, false)	1m 59s
Linux (android-arm64, true)	2m 1s
Linux (android-arm64, false)	1m 55s
Linux (win32-static, true)	1m 54s
Linux (win32-static, false)	1m 48s
Linux (win32-dyn, true)	2m 3s
Linux (win32-dyn, false)	1m 49s
Linux (wasm, true)	2m 14s
Linux (wasm, false)	1m 59s
	1h 11m 14s

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