[SyntaxParse] Fix a crash in TokenReceiver

rdar://problem/55267292

Author: rintaro

lib/Parse/Parser.cpp

@@ -762,6 +762,7 @@ void Parser::ignoreToken() {
   std::move(TrailingTrivia.begin(), TrailingTrivia.end(),
             std::back_inserter(Skipped));
 
+  TokReceiver->receive(Tok);
   consumeTokenWithoutFeedingReceiver();
 
   std::move(LeadingTrivia.begin(), LeadingTrivia.end(),

validation-test/IDE/crashers_2_fixed/rdar55267292.swift

@@ -0,0 +1,2 @@
+// RUN: %target-swift-ide-test -syntax-coloring -source-filename %s
+typealias A = Generic<Int.