Michael Spencer ee044d5e65 [clang] Diagnose config_macros before building modules (#83641) ...

Before this patch, if a module fails to build because of a missing
config_macro, the user will never see the config macro warning. This
patch diagnoses this before building, and each subsequent time a module
is imported.

rdar://123921931

2024-03-05 10:15:21 -08:00

9.1 KiB

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