[clang-tools-extra] 1c502c6 - [clang-doc] SerializeIndex - pass Index param by constant reference

[Simon Pilgrim via cfe-commits]

Author: Simon Pilgrim
Date: 2022-02-17T13:28:02Z
New Revision: 1c502c63cb77dd15e698087fdc6b3fb892ce0977

URL: https://github.com/llvm/llvm-project/commit/1c502c63cb77dd15e698087fdc6b3fb892ce0977
DIFF: https://github.com/llvm/llvm-project/commit/1c502c63cb77dd15e698087fdc6b3fb892ce0977.diff

LOG: [clang-doc] SerializeIndex - pass Index param by constant reference

Silence coverity warnings about unnecessary copies

Added: 
    

Modified: 
    clang-tools-extra/clang-doc/HTMLGenerator.cpp

Removed: 
    


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diff  --git a/clang-tools-extra/clang-doc/HTMLGenerator.cpp b/clang-tools-extra/clang-doc/HTMLGenerator.cpp
index e110f312d10c4..4ab962be7864d 100644
--- a/clang-tools-extra/clang-doc/HTMLGenerator.cpp
+++ b/clang-tools-extra/clang-doc/HTMLGenerator.cpp
@@ -899,7 +899,7 @@ static llvm::Error SerializeIndex(ClangDocContext &CDCtx) {
   }
   CDCtx.Idx.sort();
   llvm::json::OStream J(OS, 2);
-  std::function<void(Index)> IndexToJSON = [&](Index I) {
+  std::function<void(Index)> IndexToJSON = [&](const Index &I) {
     J.object([&] {
       J.attribute("USR", toHex(llvm::toStringRef(I.USR)));
       J.attribute("Name", I.Name);