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
..