Replace intptr_t with TokenDescriptor

runtime/vm/compiler.cc

Index: runtime/vm/compiler.cc
diff --git a/runtime/vm/compiler.cc b/runtime/vm/compiler.cc
index 74795062b1ef56e71e69b289926e3e98ca2a5909..0de223e390e0126afcb7ae1469dddefd6b676673 100644
--- a/runtime/vm/compiler.cc
+++ b/runtime/vm/compiler.cc
@@ -1220,7 +1220,8 @@ static void DisassembleCode(const Function& function, bool optimized) {
         THR_Print("  context var '%s' level %d offset %d",
             var_name.ToCString(), var_info.scope_id, var_info.index());
       }
-      THR_Print(" (valid %d-%d)\n", var_info.begin_pos, var_info.end_pos);
+      THR_Print(" (valid %" Pd "-%" Pd ")\n", var_info.begin_pos.value(),
+                                              var_info.end_pos.value());
     }
   }
   THR_Print("}\n");
@@ -1316,12 +1317,14 @@ static RawError* CompileFunctionHelper(CompilationPipeline* pipeline,
     ParsedFunction* parsed_function = new(zone) ParsedFunction(
         thread, Function::ZoneHandle(zone, function.raw()));
     if (trace_compiler) {
+      const intptr_t token_size = function.end_token_pos().value() -
+                                  function.token_pos().value();
       THR_Print("Compiling %s%sfunction: '%s' @ token %" Pd ", size %" Pd "\n",
                 (osr_id == Compiler::kNoOSRDeoptId ? "" : "osr "),
                 (optimized ? "optimized " : ""),
                 function.ToFullyQualifiedCString(),
-                function.token_pos(),
-                (function.end_token_pos() - function.token_pos()));
+                function.token_pos().value(),
+                token_size);
     }
     INC_STAT(thread, num_functions_compiled, 1);
     if (optimized) {
@@ -1418,7 +1421,7 @@ RawError* Compiler::CompileFunction(Thread* thread,
   if (!isolate->compilation_allowed()) {
     FATAL3("Precompilation missed function %s (%" Pd ", %s)\n",
            function.ToLibNamePrefixedQualifiedCString(),
-           function.token_pos(),
+           function.token_pos().value(),
            Function::KindToCString(function.kind()));
   }