Adopt consensus changes from tc39/proposal-explicit-resource-manageme…

…nt#178

spec.html

@@ -23903,10 +23903,8 @@ <h1>
       </dl>
       <emu-grammar>FunctionBody : FunctionStatementList</emu-grammar>
       <emu-alg>
-        1. Perform ? FunctionDeclarationInstantiation(_functionObject_, _argumentsList_).
-        1. Let _result_ be Completion(Evaluation of |FunctionStatementList|).
-        1. Let _env_ be the running execution context's LexicalEnvironment.
-        1. Return ? DisposeResources(_env_.[[DisposeCapability]], _result_).
+        1. Perform ! FunctionDeclarationInstantiation(_functionObject_, _argumentsList_).
+        1. Return ? Evaluation of |FunctionStatementList|).
       </emu-alg>
     </emu-clause>
 
@@ -24006,6 +24004,13 @@ <h1>Runtime Semantics: Evaluation</h1>
       <emu-alg>
         1. Return *undefined*.
       </emu-alg>
+      <emu-grammar>FunctionStatementList : StatementList</emu-grammar>
+      <emu-alg>
+        1. Let _result_ be Completion(Evaluation of |StatementList|).
+        1. Let _env_ be the running execution context's LexicalEnvironment.
+        1. Assert: _env_ is a Declarative Environment Record.
+        1. Return ? DisposeResources(_env_.[[DisposeCapability]], _result_).
+      </emu-alg>
     </emu-clause>
   </emu-clause>
 
@@ -48711,14 +48716,12 @@ <h1>
           1. Set the Generator component of _genContext_ to _generator_.
           1. Let _closure_ be a new Abstract Closure with no parameters that captures _generatorBody_ and performs the following steps when called:
             1. Let _acGenContext_ be the running execution context.
-            1. Let _env_ be _acGenContext_'s LexicalEnvironment.
             1. Let _acGenerator_ be the Generator component of _acGenContext_.
             1. If _generatorBody_ is a Parse Node, then
               1. Let _result_ be Completion(Evaluation of _generatorBody_).
             1. Else,
               1. Assert: _generatorBody_ is an Abstract Closure with no parameters.
               1. Let _result_ be _generatorBody_().
-            1. Set _result_ to Completion(DisposeResources(_env_.[[DisposeCapability]], _result_)).
             1. Assert: If we return here, the generator either threw an exception or performed either an implicit or explicit return.
             1. Remove _acGenContext_ from the execution context stack and restore the execution context that is at the top of the execution context stack as the running execution context.
             1. Set _acGenerator_.[[GeneratorState]] to ~completed~.
@@ -49070,14 +49073,12 @@ <h1>
           1. Set the Generator component of _genContext_ to _generator_.
           1. Let _closure_ be a new Abstract Closure with no parameters that captures _generatorBody_ and performs the following steps when called:
             1. Let _acGenContext_ be the running execution context.
-            1. Let _env_ be _acGenContext_'s LexicalEnvironment.
             1. Let _acGenerator_ be the Generator component of _acGenContext_.
             1. If _generatorBody_ is a Parse Node, then
               1. Let _result_ be Completion(Evaluation of _generatorBody_).
             1. Else,
               1. Assert: _generatorBody_ is an Abstract Closure with no parameters.
               1. Let _result_ be Completion(_generatorBody_()).
-            1. Set _result_ to Completion(DisposeResources(_env_.[[DisposeCapability]], _result_)).
             1. Assert: If we return here, the async generator either threw an exception or performed either an implicit or explicit return.
             1. Remove _acGenContext_ from the execution context stack and restore the execution context that is at the top of the execution context stack as the running execution context.
             1. Set _acGenerator_.[[AsyncGeneratorState]] to ~completed~.
@@ -49461,9 +49462,7 @@ <h1>
           1. Let _runningContext_ be the running execution context.
           1. Let _closure_ be a new Abstract Closure with no parameters that captures _promiseCapability_ and _asyncBody_ and performs the following steps when called:
             1. Let _acAsyncContext_ be the running execution context.
-            1. Let _env_ be _acAsyncContext_'s LexicalEnvironment.
             1. Let _result_ be Completion(Evaluation of _asyncBody_).
-            1. Set _result_ to Completion(DisposeResources(_env_.[[DisposeCapability]], _result_)).
             1. Assert: If we return here, the async function either threw an exception or performed an implicit or explicit return; all awaiting is done.
             1. Remove _acAsyncContext_ from the execution context stack and restore the execution context that is at the top of the execution context stack as the running execution context.
             1. If _result_ is a normal completion, then