[clang-tools-extra] Use llvm::unique (NFC) (#136514)

clang-tools-extra/clang-doc/Representation.cpp

@@ -200,7 +200,7 @@ void Info::mergeBase(Info &&Other) {
   std::move(Other.Description.begin(), Other.Description.end(),
             std::back_inserter(Description));
   llvm::sort(Description);
-  auto Last = std::unique(Description.begin(), Description.end());
+  auto Last = llvm::unique(Description);
   Description.erase(Last, Description.end());
 }
 
@@ -215,7 +215,7 @@ void SymbolInfo::merge(SymbolInfo &&Other) {
   // Unconditionally extend the list of locations, since we want all of them.
   std::move(Other.Loc.begin(), Other.Loc.end(), std::back_inserter(Loc));
   llvm::sort(Loc);
-  auto *Last = std::unique(Loc.begin(), Loc.end());
+  auto *Last = llvm::unique(Loc);
   Loc.erase(Last, Loc.end());
   mergeBase(std::move(Other));
 }

clang-tools-extra/clang-include-fixer/IncludeFixerContext.cpp

@@ -90,10 +90,10 @@ IncludeFixerContext::IncludeFixerContext(
                       std::make_pair(B.Range.getOffset(), B.Range.getLength());
              });
   QuerySymbolInfos.erase(
-      std::unique(QuerySymbolInfos.begin(), QuerySymbolInfos.end(),
-                  [](const QuerySymbolInfo &A, const QuerySymbolInfo &B) {
-                    return A.Range == B.Range;
-                  }),
+      llvm::unique(QuerySymbolInfos,
+                   [](const QuerySymbolInfo &A, const QuerySymbolInfo &B) {
+                     return A.Range == B.Range;
+                   }),
       QuerySymbolInfos.end());
   for (const auto &Symbol : MatchedSymbols) {
     HeaderInfos.push_back(
@@ -103,11 +103,11 @@ IncludeFixerContext::IncludeFixerContext(
              QuerySymbolInfos.front().ScopedQualifiers, Symbol)});
   }
   // Deduplicate header infos.
-  HeaderInfos.erase(std::unique(HeaderInfos.begin(), HeaderInfos.end(),
-                                [](const HeaderInfo &A, const HeaderInfo &B) {
-                                  return A.Header == B.Header &&
-                                         A.QualifiedName == B.QualifiedName;
-                                }),
+  HeaderInfos.erase(llvm::unique(HeaderInfos,
+                                 [](const HeaderInfo &A, const HeaderInfo &B) {
+                                   return A.Header == B.Header &&
+                                          A.QualifiedName == B.QualifiedName;
+                                 }),
                     HeaderInfos.end());
 }
 

clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.cpp

@@ -754,8 +754,7 @@ std::vector<ClangTidyError> ClangTidyDiagnosticConsumer::take() {
   finalizeLastError();
 
   llvm::stable_sort(Errors, LessClangTidyError());
-  Errors.erase(std::unique(Errors.begin(), Errors.end(), EqualClangTidyError()),
-               Errors.end());
+  Errors.erase(llvm::unique(Errors, EqualClangTidyError()), Errors.end());
   if (RemoveIncompatibleErrors)
     removeIncompatibleErrors();
   return std::move(Errors);