Slang PR #11214: Add function and branch shader coverage (jvepsalainen-nv) #3770

Job	Run time
build-pr (windows, x86_64, msvc, Release, 3.10, unit-test,test-examples,crashpad, nvrgfx, Windows...	2m 53s
build-pr (linux, x86_64, gcc, Release, 3.10, unit-test,test-examples,crashpad, nvrgfx, Linux, X64)	3m 7s
build	0s
notify	0s
report-status	5s
	6m 5s

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