macos

Use jtckdint.h for checked integer operations #695

Job	Run time
build (AppleClang, Headers, Debug)	50s
build (AppleClang, Headers, Release)	1m 7s
build (LLVM-Clang-16, Headers, Debug)	1m 3s
build (LLVM-Clang-16, Headers, Release)	1m 15s
build (LLVM-Clang-17, Headers, Debug)	1m 34s
build (LLVM-Clang-17, Headers, Release)	1m 18s
build (LLVM-Clang-17, Module, Debug)	1m 7s
build (LLVM-Clang-17, Module, Release)	1m 15s
build (LLVM-Clang-18, Headers, Debug)	1m 1s
build (LLVM-Clang-18, Headers, Release)	1m 8s
build (LLVM-Clang-18, Module, Debug)	1m 2s
build (LLVM-Clang-18, Module, Release)	53s
build (LLVM-Clang-19, Headers, Debug)	1m 15s
build (LLVM-Clang-19, Headers, Release)	2m 1s
build (LLVM-Clang-19, Module, Debug)	1m 25s
build (LLVM-Clang-19, Module, Release)	1m 43s
	19m 57s

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