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

runtime/vm/stub_code_x64.cc

Index: runtime/vm/stub_code_x64.cc
diff --git a/runtime/vm/stub_code_x64.cc b/runtime/vm/stub_code_x64.cc
index e2e3fba8c4a138504693e457d01d69aca4957acd..fd82e95184dc629255bf26cbcd365fa26be04b81 100644
--- a/runtime/vm/stub_code_x64.cc
+++ b/runtime/vm/stub_code_x64.cc
@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
-#if defined(TARGET_ARCH_X64) && !defined(DART_PRECOMPILED_RUNTIME)
+#if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/compiler.h"
@@ -96,6 +96,12 @@ void StubCode::GenerateCallToRuntimeStub(Assembler* assembler) {
   __ ret();
 }
 
+// Print the stop message.
+DEFINE_LEAF_RUNTIME_ENTRY(void, PrintStopMessage, 1, const char* message) {
+  OS::Print("Stop message: %s\n", message);
+}
+END_LEAF_RUNTIME_ENTRY
+
 // Input parameters:
 //   RSP : points to return address.
 //   RDI : stop message (const char*).
@@ -2260,4 +2266,4 @@ void StubCode::GenerateAsynchronousGapMarkerStub(Assembler* assembler) {
 
 }  // namespace dart
 
-#endif  // defined(TARGET_ARCH_X64) && !defined(DART_PRECOMPILED_RUNTIME)
+#endif  // defined TARGET_ARCH_X64