[clangd] Initialize HighlightingsBuilder::Resolver

Author: HighCommander4

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;
 };