break: Add support for labeled statements, breaks, and continues #4786

Job	Run time
Check	2s
Features	21s
Bootstrap (debug)	2m 19s
Bootstrap (release)	2m 36s
Coverage	3m 41s
Compiler (ubuntu, node current)	32s
Loader	20s
Compiler (ubuntu, node lts/*)	33s
Compiler (macos, node current)	26s
Runtimes	28s
Compiler (macos, node lts/*)	25s
Compiler (windows, node current)	24s
Compiler (windows, node lts/*)	26s
	12m 33s

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