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 2131fafdc551bda867454b23bafbf1b77f07f215..8dcef02d3709bfe19c34bd63f6c84057af0c3658 100644
--- a/runtime/vm/precompiler.cc
+++ b/runtime/vm/precompiler.cc
@@ -374,7 +374,7 @@ 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()));
     }
 
@@ -391,7 +391,7 @@ 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()));
     }
   }