[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/misc/StringLiteralWithEmbeddedNulCheck.cpp b/clang-tools-extra/clang-tidy/misc/StringLiteralWithEmbeddedNulCheck.cpp
index 335927b2ec7..7567f6f644b 100644
--- a/clang-tools-extra/clang-tidy/misc/StringLiteralWithEmbeddedNulCheck.cpp
+++ b/clang-tools-extra/clang-tidy/misc/StringLiteralWithEmbeddedNulCheck.cpp
@@ -17,12 +17,14 @@ namespace clang {
 namespace tidy {
 namespace misc {
 
+namespace {
 AST_MATCHER(StringLiteral, containsNul) {
   for (size_t i = 0; i < Node.getLength(); ++i)
     if (Node.getCodeUnit(i) == '\0')
       return true;
   return false;
 }
+} // namespace
 
 void StringLiteralWithEmbeddedNulCheck::registerMatchers(MatchFinder *Finder) {
   // Match a string that contains embedded NUL character. Extra-checks are