[clang-tidy] Sort includes case-sensitively.

The motivation is:
  1. consistency with clang-format, vim :sort etc.
  2. we don't want the tools to depend on the current locale to do the include
     sorting


git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@255243 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 4 deletions

diff --git a/clang-tidy/utils/IncludeSorter.cpp b/clang-tidy/utils/IncludeSorter.cpp
index d818dbbc..0b89e1c2 100644
--- a/clang-tidy/utils/IncludeSorter.cpp
+++ b/clang-tidy/utils/IncludeSorter.cpp
@@ -188,10 +188,7 @@ std::vector<FixItHint> IncludeSorter::GetEdits() {
   // delete inclusions.
   for (int IncludeKind = 0; IncludeKind < IK_InvalidInclude; ++IncludeKind) {
     std::sort(IncludeBucket[IncludeKind].begin(),
-              IncludeBucket[IncludeKind].end(),
-              [](const std::string &Left, const std::string &Right) {
-                return llvm::StringRef(Left).compare_lower(Right) < 0;
-              });
+              IncludeBucket[IncludeKind].end());
     for (const auto &IncludeEntry : IncludeBucket[IncludeKind]) {
       auto &Location = IncludeLocations[IncludeEntry];
       SourceRangeVector::iterator LocationIterator = Location.begin();