tomteb/carbon-lang: == Clone of https://github.com/carbon-language/carbon-lang.git == @ 4af0c8f8d1013347fa35529d9f36f4591e6cfe03

Strom: 4af0c8f8d1

Jon Ross-Perkins 7befe2ce9f Switch custom error stream output to diagnostic (#4846)		1 rok pred
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assembly	7befe2ce9f Switch custom error stream output to diagnostic (#4846)	1 rok pred
objcode	7befe2ce9f Switch custom error stream output to diagnostic (#4846)	1 rok pred
fail_target_triple.carbon	7befe2ce9f Switch custom error stream output to diagnostic (#4846)	1 rok pred