[clang][Modules] Reporting Errors for Duplicating Link Declarations in `modulemap`s#148959

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qiongsiwu merged 8 commits intollvm:mainfrom

qiongsiwu:eng_155880064

Aug 22, 2025

Commits on Jul 15, 2025

Initial implementation of modulemap link decl duplication check.
qiongsiwu
committed

Commits on Jul 16, 2025

Moving the checks to parsing time (instead of load time), and adding an error whe link declarations are used in submodules.
qiongsiwu
committed
Revert the error check for link decls in submodules as that is a feature as indicated by the test case clang/test/Modules/autolink.m
qiongsiwu
committed

Commits on Jul 17, 2025

Commits on Aug 17, 2025

Commits on Aug 20, 2025

Update test to indicate we are displaying a warning
qiongsiwu
committed