Thomas Preud'homme b81cc60329 [clang][NFC] Make various uses of Regex const
The const-correctness of match() was fixed in rL372764, which allows
uses of Regex objects to be const in cases they couldn't be before. This
patch tightens up the const-ness of Regex in various such cases.

Reviewers: thopre

Reviewed By: thopre

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D68155
2019-11-19 16:15:21 +00:00
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