Install the 'name' property in classes at runtime

src/compiler/ast-graph-builder.cc

Index: src/compiler/ast-graph-builder.cc
diff --git a/src/compiler/ast-graph-builder.cc b/src/compiler/ast-graph-builder.cc
index 161a33a10d4ac8663c2e57e81b99a737b8468cfc..8b8ac76ee51ea07710474ba3bdfa5ee827b57d29 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -1672,9 +1672,20 @@ void AstGraphBuilder::VisitClassLiteral(ClassLiteral* expr) {
     }
   }
 
-  // Set the constructor to have fast properties.
   prototype = environment()->Pop();
   literal = environment()->Pop();
+
+  // ES6 section 14.5.16 class expression evaluation, step 5
+  DCHECK(expr->constructor()->raw_name() != nullptr);
+  if (!expr->constructor()->raw_name()->IsEmpty()) {
+    Node* value = jsgraph()->Constant(expr->constructor()->name());
+    const Operator* op =
+        javascript()->CallRuntime(Runtime::kDefineClassNameProperty);
+    literal = NewNode(op, literal, value);
+    PrepareFrameState(literal, BailoutId::None());
+  }
+
+  // Set the constructor to have fast properties.
   const Operator* op = javascript()->CallRuntime(Runtime::kToFastProperties);
   literal = NewNode(op, literal);