LibJS: Functions with no variables don't need to create environment

Just hand out the parent environment instead.
rkm · Apr 15, 2020 · 54c95d4 · 54c95d4
1 parent ed80952
commit 54c95d4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Libraries/LibJS/Runtime/ScriptFunction.cpp b/Libraries/LibJS/Runtime/ScriptFunction.cpp
@@ -72,7 +72,8 @@ LexicalEnvironment* ScriptFunction::create_environment()
  }
  }
  }
-
+ if (variables.is_empty())
+ return m_parent_environment;
  return heap().allocate<LexicalEnvironment>(move(variables), m_parent_environment);
 }