Ruby

Merge pull request #2952 from ruby/worktree-graceful-kindling-mochi #8122

Job	Run time
clang_compile (head)	1m 11s
C99_compile (4.0)	1m 13s
C99_compile (head)	58s
test (3.2, test)	2m 20s
test (head, stdlib_test rubocop)	2m 1s
test (head, test)	2m 25s
test (4.0, test)	2m 22s
clang_compile (4.0)	1m 5s
test (4.0, test, --enable-frozen-string-literal)	2m 23s
test (4.0, stdlib_test)	1m 59s
test (4.0, stdlib_test, --enable-frozen-string-literal)	1m 59s
test (3.4, test)	2m 35s
test (4.0, typecheck_test)	1m 17s
test (asan-release, test)	7m 59s
test (4.0, rubocop validate test_doc build test_generate_stdlib raap)	2m 33s
test (3.3, test)	2m 39s
	36m 59s

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