Add compiler field to code print output.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 125a76716c034b8b61e74f2d62920fcf6b6615a0..cb2d100329e00e594feda5baa8d52dcd56285f15 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -11933,6 +11933,12 @@ void Code::Disassemble(const char* name, std::ostream& os) {  // NOLINT
   if (kind() == OPTIMIZED_FUNCTION) {
     os << "stack_slots = " << stack_slots() << "\n";
   }
+  os << "compiler = " << (is_turbofanned()
+                              ? "turbofan"
+                              : is_crankshafted() ? "crankshaft"
+                                                  : kind() == Code::FUNCTION
+                                                        ? "full-codegen"
+                                                        : "unknown") << "\n";
 
   os << "Instructions (size = " << instruction_size() << ")\n";
   {