Reapply "Eliminate dependencies on assemblers and code stubs in precompiled runtime."

runtime/vm/runtime_entry_ia32.cc

Index: runtime/vm/runtime_entry_ia32.cc
diff --git a/runtime/vm/runtime_entry_ia32.cc b/runtime/vm/runtime_entry_ia32.cc
index ab22a92bb0c8cd021246de256039d7a8d0e30f80..2167f1d25d05f97acfc33e565929c7ed0fac38ac 100644
--- a/runtime/vm/runtime_entry_ia32.cc
+++ b/runtime/vm/runtime_entry_ia32.cc
@@ -18,6 +18,7 @@ uword RuntimeEntry::GetEntryPoint() const {
   return reinterpret_cast<uword>(function());
 }
 
+#if !defined(DART_PRECOMPILED_RUNTIME)
 // Generate code to call into the stub which will call the runtime
 // function. Input for the stub is as follows:
 // For regular runtime calls -
@@ -39,6 +40,7 @@ void RuntimeEntry::Call(Assembler* assembler, intptr_t argument_count) const {
     __ CallToRuntime();
   }
 }
+#endif  // !defined(DART_PRECOMPILED_RUNTIME)
 
 }  // namespace dart