[Syntax] Include leading/trailing trivia size to the cache ID

We have to differenciate cache IDs between:
  (Token l_brace
    (trivia space 1)
    (text="{"))
and:
  (Token l_brace
    (text="{")
    (trivia space 1))

Author: rintaro

lib/Syntax/RawSyntax.cpp

@@ -329,6 +329,8 @@ void RawSyntax::Profile(llvm::FoldingSetNodeID &ID, tok TokKind,
                         OwnedString Text, ArrayRef<TriviaPiece> LeadingTrivia,
                         ArrayRef<TriviaPiece> TrailingTrivia) {
   ID.AddInteger(unsigned(TokKind));
+  ID.AddInteger(LeadingTrivia.size());
+  ID.AddInteger(TrailingTrivia.size());
   switch (TokKind) {
 #define TOKEN_DEFAULT(NAME) case tok::NAME:
 #define PUNCTUATOR(NAME, X) TOKEN_DEFAULT(NAME)