[clang-tidy] Move user-defined matches to unnamed namespaces to prevent ODR violations.

llvm-svn: 239904

1 files changed, 2 insertions, 2 deletions

diff --git a/clang-tools-extra/clang-tidy/google/UnnamedNamespaceInHeaderCheck.cpp b/clang-tools-extra/clang-tidy/google/UnnamedNamespaceInHeaderCheck.cpp
index 6b48a800ab2..c98b66f04d7 100644
--- a/clang-tools-extra/clang-tidy/google/UnnamedNamespaceInHeaderCheck.cpp
+++ b/clang-tools-extra/clang-tidy/google/UnnamedNamespaceInHeaderCheck.cpp
@@ -15,11 +15,11 @@
 using namespace clang::ast_matchers;
 
 namespace clang {
-namespace ast_matchers {
+namespace {
 AST_MATCHER(NamespaceDecl, isAnonymousNamespace) {
   return Node.isAnonymousNamespace();
 }
-} // namespace ast_matchers
+} // namespace
 
 namespace tidy {
 namespace google {