Replace intptr_t with TokenDescriptor

runtime/vm/precompiler.cc

Index: runtime/vm/precompiler.cc
diff --git a/runtime/vm/precompiler.cc b/runtime/vm/precompiler.cc
index fd4cda8a385b7096cb29b9a5ac885f25c1b0e561..2dfbeb0d0f06f45f80bc1035f8ff1f8919f0b8d0 100644
--- a/runtime/vm/precompiler.cc
+++ b/runtime/vm/precompiler.cc
@@ -387,7 +387,7 @@ void Precompiler::ProcessFunction(const Function& function) {
       THR_Print("Precompiling %" Pd " %s (%" Pd ", %s)\n",
                 function_count_,
                 function.ToLibNamePrefixedQualifiedCString(),
-                function.token_pos(),
+                function.token_pos().value(),
                 Function::KindToCString(function.kind()));
     }
 
@@ -404,7 +404,7 @@ void Precompiler::ProcessFunction(const Function& function) {
       // such as const constructors compiled by the parser.
       THR_Print("Already has code: %s (%" Pd ", %s)\n",
                 function.ToLibNamePrefixedQualifiedCString(),
-                function.token_pos(),
+                function.token_pos().value(),
                 Function::KindToCString(function.kind()));
     }
   }