Remove unused LangOpts private variable in HeaderSearch.

Was causing warnings during the build.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@267805 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Lex/HeaderSearch.h

@@ -241,8 +241,6 @@ class HeaderSearch {
   unsigned NumMultiIncludeFileOptzn;
   unsigned NumFrameworkLookups, NumSubFrameworkLookups;
 
-  const LangOptions &LangOpts;
-
   // HeaderSearch doesn't support default or copy construction.
   HeaderSearch(const HeaderSearch&) = delete;
   void operator=(const HeaderSearch&) = delete;

lib/Lex/HeaderSearch.cpp

@@ -56,8 +56,7 @@ HeaderSearch::HeaderSearch(IntrusiveRefCntPtr<HeaderSearchOptions> HSOpts,
                            const LangOptions &LangOpts,
                            const TargetInfo *Target)
     : HSOpts(HSOpts), Diags(Diags), FileMgr(SourceMgr.getFileManager()),
-      FrameworkMap(64), ModMap(SourceMgr, Diags, LangOpts, Target, *this),
-      LangOpts(LangOpts) {
+      FrameworkMap(64), ModMap(SourceMgr, Diags, LangOpts, Target, *this) {
   AngledDirIdx = 0;
   SystemDirIdx = 0;
   NoCurDirSearch = false;