[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

1 files changed, 4 insertions, 3 deletions

diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
index bbe05602f6d..1e27eab1e74 100644
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -2498,9 +2498,10 @@ bool UnwrappedLineParser::isOnNewLine(const FormatToken &FormatTok) {
 
 // Checks if \p FormatTok is a line comment that continues the line comment
 // section on \p Line.
-static bool continuesLineCommentSection(const FormatToken &FormatTok,
-                                        const UnwrappedLine &Line,
-                                        llvm::Regex &CommentPragmasRegex) {
+static bool
+continuesLineCommentSection(const FormatToken &FormatTok,
+                            const UnwrappedLine &Line,
+                            const llvm::Regex &CommentPragmasRegex) {
   if (Line.Tokens.empty())
     return false;