From c3846bcfe1cc6d6421a543757b5046ea841d4610 Mon Sep 17 00:00:00 2001
From: Nathan James <n.james93@hotmail.co.uk>
Date: Wed, 28 Apr 2021 22:39:54 +0100
Subject: [PATCH] [clangd][NFC] Reserve storage when creating semantic token
 encoding.

Reviewed By: sammccall

Differential Revision: https://reviews.llvm.org/D101461
---
 clang-tools-extra/clangd/Protocol.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clang-tools-extra/clangd/Protocol.cpp b/clang-tools-extra/clangd/Protocol.cpp
index 5432392..71a89cc 100644
--- a/clang-tools-extra/clangd/Protocol.cpp
+++ b/clang-tools-extra/clangd/Protocol.cpp
@@ -1075,6 +1075,7 @@ llvm::json::Value toJSON(const FileStatus &FStatus) {
 constexpr unsigned SemanticTokenEncodingSize = 5;
 static llvm::json::Value encodeTokens(llvm::ArrayRef<SemanticToken> Toks) {
   llvm::json::Array Result;
+  Result.reserve(SemanticTokenEncodingSize * Toks.size());
   for (const auto &Tok : Toks) {
     Result.push_back(Tok.deltaLine);
     Result.push_back(Tok.deltaStart);
-- 
2.7.4