[compiler] Workaround in code printing without literal.

src/codegen.cc

Index: src/codegen.cc
diff --git a/src/codegen.cc b/src/codegen.cc
index 692fa64bb69d34e2fe2f1ff6c815c2a5b7852b1e..68b71e31b24c7aa725a45e030e11dc2e352d346d 100644
--- a/src/codegen.cc
+++ b/src/codegen.cc
@@ -161,6 +161,9 @@ void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) {
     bool print_source =
         info->parse_info() && (code->kind() == Code::OPTIMIZED_FUNCTION ||
                                code->kind() == Code::FUNCTION);
+    // TODO(mstarzinger): Switch this over to use SharedFunctionInfo instead of
+    // the FunctionLiteral, once we have a SharedFunctionInfo for live edit.
+    print_source = print_source && info->literal() != nullptr;
     if (print_source) {
       FunctionLiteral* literal = info->literal();
       Handle<Script> script = info->script();