Ruby

Merge pull request #2999 from ruby/claude/practical-mendel-hnqws8-2 #8293

Job	Run time
C99_compile (head)	51s
clang_compile (4.0)	1m 11s
test (3.2, test)	2m 26s
test (head, test)	2m 16s
test (3.4, test)	2m 16s
clang_compile (head)	50s
C99_compile (4.0)	48s
test (4.0, stdlib_test)	1m 52s
test (3.3, test)	2m 23s
test (4.0, rubocop validate test_doc build test_generate_stdlib raap)	2m 24s
test (4.0, test, --enable-frozen-string-literal)	2m 14s
test (head, stdlib_test rubocop)	2m 13s
test (asan-release, test)	8m 8s
test (4.0, typecheck_test)	1m 18s
test (4.0, test)	2m 31s
test (4.0, stdlib_test, --enable-frozen-string-literal)	1m 48s
	35m 29s

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