[clang-tools-extra] [clangd] Initialize HighlightingsBuilder::Resolver (PR #74971)

[Nathan Ridge via cfe-commits]

https://github.com/HighCommander4 updated https://github.com/llvm/llvm-project/pull/74971

>From 86d99f7b29a131b949b32f18ff15eb1d1f5e4d3a Mon Sep 17 00:00:00 2001
From: Nathan Ridge <zeratul976 at hotmail.com>
Date: Sun, 10 Dec 2023 00:50:54 -0500
Subject: [PATCH] [clangd] Initialize HighlightingsBuilder::Resolver

---
 clang-tools-extra/clangd/SemanticHighlighting.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/clang-tools-extra/clangd/SemanticHighlighting.cpp b/clang-tools-extra/clangd/SemanticHighlighting.cpp
index 49e479abf45621..37939d36425a97 100644
--- a/clang-tools-extra/clangd/SemanticHighlighting.cpp
+++ b/clang-tools-extra/clangd/SemanticHighlighting.cpp
@@ -418,7 +418,8 @@ class HighlightingsBuilder {
 public:
   HighlightingsBuilder(const ParsedAST &AST, const HighlightingFilter &Filter)
       : TB(AST.getTokens()), SourceMgr(AST.getSourceManager()),
-        LangOpts(AST.getLangOpts()), Filter(Filter) {}
+        LangOpts(AST.getLangOpts()), Filter(Filter),
+        Resolver(AST.getHeuristicResolver()) {}
 
   HighlightingToken &addToken(SourceLocation Loc, HighlightingKind Kind) {
     auto Range = getRangeForSourceLocation(Loc);
@@ -589,7 +590,7 @@ class HighlightingsBuilder {
   HighlightingFilter Filter;
   std::vector<HighlightingToken> Tokens;
   std::map<Range, llvm::SmallVector<HighlightingModifier, 1>> ExtraModifiers;
-  const HeuristicResolver *Resolver = nullptr;
+  const HeuristicResolver *Resolver;
   // returned from addToken(InvalidLoc)
   HighlightingToken InvalidHighlightingToken;
 };