[tidy] Move private ast matchers into anonymous namespaces to avoid ODR conflicts.

No functionality change intended.

llvm-svn: 325467

1 files changed, 2 insertions, 0 deletions

diff --git a/clang-tools-extra/clang-tidy/modernize/PassByValueCheck.cpp b/clang-tools-extra/clang-tidy/modernize/PassByValueCheck.cpp
index 3aab1693fa8..1ab73d50c30 100644
--- a/clang-tools-extra/clang-tidy/modernize/PassByValueCheck.cpp
+++ b/clang-tools-extra/clang-tidy/modernize/PassByValueCheck.cpp
@@ -23,6 +23,7 @@ namespace clang {
 namespace tidy {
 namespace modernize {
 
+namespace {
 /// \brief Matches move-constructible classes.
 ///
 /// Given
@@ -44,6 +45,7 @@ AST_MATCHER(CXXRecordDecl, isMoveConstructible) {
   }
   return false;
 }
+} // namespace
 
 static TypeMatcher constRefType() {
   return lValueReferenceType(pointee(isConstQualified()));