Add async-functions feature to more files (#1830)

src/function-forms/default/async-arrow-function.template

@@ -26,6 +26,7 @@ info: |
   AsyncArrowHead :
     async ArrowFormalParameters
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/default/async-func-decl.template

@@ -11,6 +11,7 @@ info: |
   AsyncFunctionDeclaration :
     async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/default/async-func-expr-named.template

@@ -11,6 +11,7 @@ info: |
   AsyncFunctionExpression :
     async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/default/async-func-expr-nameless.template

@@ -11,6 +11,7 @@ info: |
   AsyncFunctionExpression :
     async function ( FormalParameters ) { AsyncFunctionBody }
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/default/async-meth.template

@@ -11,6 +11,7 @@ info: |
   AsyncMethod :
    async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/default/cls-decl-async-meth-static.template

@@ -35,6 +35,7 @@ info: |
        scope, strict).
     [...]
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/default/cls-decl-async-meth.template

@@ -35,6 +35,7 @@ info: |
        scope, strict).
     [...]
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/default/cls-expr-async-meth-static.template

@@ -35,6 +35,7 @@ info: |
      scope, strict).
   [...]
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/default/cls-expr-async-meth.template

@@ -35,6 +35,7 @@ info: |
      scope, strict).
   [...]
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/error/async-arrow-function.template

@@ -26,6 +26,7 @@ info: |
   AsyncArrowHead :
     async ArrowFormalParameters
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/error/async-func-decl.template

@@ -11,6 +11,7 @@ info: |
   AsyncFunctionDeclaration :
     async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/error/async-func-expr-named.template

@@ -11,6 +11,7 @@ info: |
   AsyncFunctionExpression :
     async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/error/async-func-expr-nameless.template

@@ -11,6 +11,7 @@ info: |
   AsyncFunctionExpression :
     async function ( FormalParameters ) { AsyncFunctionBody }
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/error/async-meth.template

@@ -11,6 +11,7 @@ info: |
   AsyncMethod :
    async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/error/cls-decl-async-meth-static.template

@@ -35,6 +35,7 @@ info: |
        scope, strict).
     [...]
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/error/cls-decl-async-meth.template

@@ -35,6 +35,7 @@ info: |
        scope, strict).
     [...]
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/error/cls-expr-async-meth-static.template

@@ -36,6 +36,7 @@ info: |
      scope, strict).
   [...]
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/error/cls-expr-async-meth.template

@@ -36,6 +36,7 @@ info: |
      scope, strict).
   [...]
 flags: [async]
+features: [async-functions]
 ---*/
 
 var callCount = 0;

src/function-forms/syntax/async-func-decl.template

@@ -10,6 +10,7 @@ info: |
 
   AsyncFunctionDeclaration :
     async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+features: [async-functions]
 ---*/
 
 async function f(/*{ params }*/) {

src/function-forms/syntax/async-func-expr-named.template

@@ -10,7 +10,7 @@ info: |
 
   AsyncFunctionExpression :
     async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
-
+features: [async-functions]
 ---*/
 
 (async function f(/*{ params }*/) {