PR for llvm/llvm-project#64696 #646

Job	Run time
abi-dump-setup	59s
Test llvm,clang,libclc / Lit Tests (ubuntu-latest)	3h 7m 6s
Test llvm,clang,libclc / Lit Tests (windows-2019)	3h 41m 46s
Test llvm,clang,libclc / Lit Tests (macOS-11)	2h 55m 19s
Build lldb / Lit Tests (ubuntu-latest)	1h 52m 12s
Build lldb / Lit Tests (windows-2019)	1h 52m 57s
Build lldb / Lit Tests (macOS-11)	27m 15s
Test lld / Lit Tests (ubuntu-latest)	22m 15s
Test lld / Lit Tests (windows-2019)	40m 36s
Test lld / Lit Tests (macOS-11)	35m 26s
abi-dump (build-baseline)	56m 21s
abi-dump (build-latest)	50m 28s
abi-compare	21s
	17h 23m 1s

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