Test that various newline characters roundtrip to files properly. #4684

Job	Run time
RunBantBuildCleaner	3m 19s
ClangTidy	3m 49s
VerifyFormatting	33s
KytheXrefs	0s
x86_64 test	4m 9s
MacOsBuildDevTools	4m 0s
arm64 test	4m 21s
x86_64 test-clang	3m 38s
KytheVerification	0s
arm64 test-clang	4m 31s
x86_64 test-nortti	4m 16s
MacOsBuild	4m 35s
PrepareVSPlugin	2m 7s
x86_64 test-c++20	3m 51s
WindowsBuild	9m 2s
x86_64 test-c++23	3m 44s
x86_64 smoke-test	11m 0s
arm64 smoke-test	12m 27s
x86_64 asan	5m 56s
x86_64 asan-clang	5m 31s
x86_64 compile	3m 19s
arm64 compile	4m 14s
x86_64 compile-clang	2m 58s
arm64 compile-clang	3m 40s
x86_64 compile-static	3m 33s
arm64 compile-static	3m 52s
x86_64 compile-static-clang	3m 10s
arm64 compile-static-clang	4m 12s
x86_64 coverage	19m 11s
x86_64 clean	7m 39s
arm64 clean	7m 5s
Build and deploy GitHub pages	10s
📦 Release	0s
	2h 33m 52s

Provide feedback