Correctly locate part range in which read data. #1955

Job	Run time
OSSF Scorecard	22s
macOS (macos-13, macos-aarch64-dyn)	2m 31s
macOS (macos-13, macos-x86_64-dyn)	5m 36s
Linux (linux-x86_64-static, true)	5m 20s
macOS (macos-13, ios-arm64-dyn)	2m 21s
Linux (linux-x86_64-static, false)	3m 51s
Windows	6m 33s
macOS (macos-13, ios-x86_64-dyn)	2m 35s
Linux (linux-x86_64-dyn, true)	4m 59s
Linux (linux-x86_64-dyn, false)	3m 45s
macOS (macos-14, macos-aarch64-dyn)	2m 6s
Linux (linux-aarch64-musl-dyn, true)	3m 7s
macOS (macos-14, ios-arm64-dyn)	55s
Linux (linux-aarch64-musl-dyn, false)	1m 47s
macOS (macos-14, ios-x86_64-dyn)	1m 58s
Linux (linux-aarch64-dyn, true)	1m 57s
Linux (linux-aarch64-dyn, false)	2m 0s
Linux (android-arm, true)	2m 17s
Linux (android-arm, false)	2m 5s
Linux (android-arm64, true)	1m 57s
Linux (android-arm64, false)	1m 57s
Linux (win32-static, true)	1m 52s
Linux (win32-static, false)	1m 47s
Linux (win32-dyn, true)	1m 55s
Linux (win32-dyn, false)	1m 50s
Linux (wasm, true)	2m 4s
Linux (wasm, false)	2m 1s
	1h 11m 28s

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