add descriptions about non-constructibility

test/built-ins/Iterator/prototype/drop/non-constructible.js

@@ -4,6 +4,8 @@
 esid: sec-iteratorprototype.drop
 description: >
   Iterator.prototype.drop is not constructible.
+
+  Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function.
 features: [iterator-helpers]
 ---*/
 function* g() {}

test/built-ins/Iterator/prototype/every/non-constructible.js

@@ -4,6 +4,8 @@
 esid: sec-iteratorprototype.every
 description: >
   Iterator.prototype.every is not constructible.
+
+  Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function.
 features: [iterator-helpers]
 ---*/
 function* g() {}

test/built-ins/Iterator/prototype/filter/non-constructible.js

@@ -4,6 +4,8 @@
 esid: sec-iteratorprototype.filter
 description: >
   Iterator.prototype.filter is not constructible.
+
+  Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function.
 features: [iterator-helpers]
 ---*/
 function* g() {}

test/built-ins/Iterator/prototype/flatMap/non-constructible.js

@@ -4,6 +4,8 @@
 esid: sec-iteratorprototype.flatMap
 description: >
   Iterator.prototype.flatMap is not constructible.
+
+  Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function.
 features: [iterator-helpers]
 ---*/
 function* g() {}

test/built-ins/Iterator/prototype/forEach/non-constructible.js

@@ -4,6 +4,8 @@
 esid: sec-iteratorprototype.forEach
 description: >
   Iterator.prototype.forEach is not constructible.
+
+  Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function.
 features: [iterator-helpers]
 ---*/
 function* g() {}

test/built-ins/Iterator/prototype/map/non-constructible.js

@@ -4,6 +4,8 @@
 esid: sec-iteratorprototype.map
 description: >
   Iterator.prototype.map is not constructible.
+
+  Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function.
 features: [iterator-helpers]
 ---*/
 function* g() {}

test/built-ins/Iterator/prototype/some/non-constructible.js

@@ -4,6 +4,8 @@
 esid: sec-iteratorprototype.some
 description: >
   Iterator.prototype.some is not constructible.
+
+  Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function.
 features: [iterator-helpers]
 ---*/
 function* g() {}

test/built-ins/Iterator/prototype/take/non-constructible.js

@@ -4,6 +4,8 @@
 esid: sec-iteratorprototype.take
 description: >
   Iterator.prototype.take is not constructible.
+
+  Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function.
 features: [iterator-helpers]
 ---*/
 function* g() {}