[clangd] Fix buildbot error.

llvm-svn: 361960

clang-tools-extra/clangd/index/CanonicalIncludes.cpp

@@ -87,11 +87,15 @@ collectIWYUHeaderMaps(CanonicalIncludes *Includes) {
 }
 
 void addSystemHeadersMapping(CanonicalIncludes *Includes) {
+  static const std::vector<std::pair<const char *, const char *>> SymbolMap = {
 #define SYMBOL(Name, NameSpace, Header) { #NameSpace#Name, #Header },
       #include "StdSymbolMap.inc"
 #undef SYMBOL
   };
 
+  for (const auto &Pair : SymbolMap)
+    Includes->addSymbolMapping(Pair.first, Pair.second);
+
   // FIXME: remove the std header mapping once we support ambiguous symbols, now
   // it serves as a fallback to disambiguate:
   //   - symbols with mulitiple headers (e.g. std::move)