[clang] Rename StringRef _lower() method calls to _insensitive()

This is mostly a mechanical change, but a testcase that contains
parts of the StringRef class (clang/test/Analysis/llvm-conventions.cpp)
isn't touched.

1 files changed, 1 insertions, 1 deletions

diff --git a/clang/unittests/Tooling/CompilationDatabaseTest.cpp b/clang/unittests/Tooling/CompilationDatabaseTest.cpp
index 8ff3387..9a04de3 100644
--- a/clang/unittests/Tooling/CompilationDatabaseTest.cpp
+++ b/clang/unittests/Tooling/CompilationDatabaseTest.cpp
@@ -210,7 +210,7 @@ TEST(JSONCompilationDatabase, ArgumentsPreferredOverCommand) {
 struct FakeComparator : public PathComparator {
   ~FakeComparator() override {}
   bool equivalent(StringRef FileA, StringRef FileB) const override {
-    return FileA.equals_lower(FileB);
+    return FileA.equals_insensitive(FileB);
   }
 };