Normative: Apply B.3.3 to non-top level function declarations

Fixes https://bugs.ecmascript.org/show_bug.cgi?id=4427

spec.html

@@ -36124,7 +36124,7 @@ <h1>Changes to FunctionDeclarationInstantiation</h1>
         <p>During FunctionDeclarationInstantiation (<emu-xref href="#sec-functiondeclarationinstantiation"></emu-xref>) the following steps are performed in place of step 29:</p>
         <emu-alg>
           1. If _strict_ is *false*, then
-            1. For each |FunctionDeclaration| _f_ in _varDeclarations_ that is directly contained in the |StatementList| of a |Block|, |CaseClause|, or |DefaultClause|,
+            1. For each |FunctionDeclaration| _f_ that is directly contained in the |StatementList| of a |Block|, |CaseClause|, or |DefaultClause|,
               1. Let _F_ be StringValue of the |BindingIdentifier| of |FunctionDeclaration| _f_.
               1. If replacing the |FunctionDeclaration| _f_ with a |VariableStatement| that has _F_ as a |BindingIdentifier| would not produce any Early Errors for _func_ and _F_ is not an element of BoundNames of _argumentsList_, then
                 1. NOTE A var binding for _F_ is only instantiated here if it is neither a VarDeclaredName, the name of a formal parameter, or another |FunctionDeclaration|.