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[CrossTU] Fix plist macro expansion if macro in other file.

Authored by balazske on Jul 25 2019, 3:53 AM.

Description

[CrossTU] Fix plist macro expansion if macro in other file.

Summary:
When cross TU analysis is used it is possible that a macro expansion
is generated for a macro that is defined (and used) in other than
the main translation unit. To get the expansion for it the source
location in the original source file and original preprocessor
is needed.

Reviewers: martong, xazax.hun, Szelethus, ilya-biryukov

Reviewed By: Szelethus

Subscribers: mgorny, NoQ, ilya-biryukov, rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64638

llvm-svn: 367006

Details