Add feature flags for `new.target`

Additionally removed the `arrow-function` feature for
test/language/eval-code/direct/new.target-fn.js as it is not testing
arrow-functions, but they are mentioned in the preamble.

test/language/expressions/new.target/value-via-super-property.js

@@ -11,7 +11,7 @@ info: |
   [...]
   6. Let result be ? Construct(func, argList, newTarget).
   [...]
-features: [class]
+features: [class, new.target]
 ---*/
 
 var newTarget = null;

test/language/expressions/new.target/value-via-tagged-template.js

@@ -9,7 +9,7 @@ info: |
 
    [...]
    4. Return ? EvaluateCall(tagRef, TemplateLiteral, tailCall).
-features: [template]
+features: [template, new.target]
 ---*/
 
 var newTarget = null;

test/language/expressions/postfix-decrement/target-cover-newtarget.js

@@ -22,6 +22,7 @@ info: |
 negative:
   phase: parse
   type: ReferenceError
+features: [new.target]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";

test/language/expressions/postfix-decrement/target-newtarget.js

@@ -22,6 +22,7 @@ info: |
 negative:
   phase: parse
   type: ReferenceError
+features: [new.target]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";

test/language/expressions/postfix-increment/target-cover-newtarget.js

@@ -22,6 +22,7 @@ info: |
 negative:
   phase: parse
   type: ReferenceError
+features: [new.target]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";

test/language/expressions/postfix-increment/target-newtarget.js

@@ -22,6 +22,7 @@ info: |
 negative:
   phase: parse
   type: ReferenceError
+features: [new.target]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";

test/language/expressions/prefix-decrement/target-cover-newtarget.js

@@ -22,6 +22,7 @@ info: |
 negative:
   phase: parse
   type: ReferenceError
+features: [new.target]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";

test/language/expressions/prefix-decrement/target-newtarget.js

@@ -22,6 +22,7 @@ info: |
 negative:
   phase: parse
   type: ReferenceError
+features: [new.target]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";

test/language/expressions/prefix-increment/target-cover-newtarget.js

@@ -22,6 +22,7 @@ info: |
 negative:
   phase: parse
   type: ReferenceError
+features: [new.target]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";

test/language/expressions/prefix-increment/target-newtarget.js

@@ -22,6 +22,7 @@ info: |
 negative:
   phase: parse
   type: ReferenceError
+features: [new.target]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";

test/language/expressions/super/call-construct-invocation.js

@@ -8,7 +8,7 @@ info: |
   [...]
   6. Let result be ? Construct(func, argList, newTarget).
   [...]
-features: [class, Reflect]
+features: [class, Reflect, new.target]
 ---*/
 
 var expectedNewTarget = function() {};

test/language/global-code/new.target-arrow.js

@@ -24,7 +24,7 @@ info: |
   NOTE Normally, Contains does not look inside most function forms. However,
        Contains is used to detect new.target, this, and super usage within an
        ArrowFunction.
-features: [arrow-function]
+features: [arrow-function, new.target]
 negative:
   phase: parse
   type: SyntaxError

test/language/global-code/new.target.js

@@ -12,6 +12,7 @@ info: |
 negative: 
   phase: parse
   type: SyntaxError
+features: [new.target]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";

test/language/module-code/early-new-target.js

@@ -8,6 +8,7 @@ flags: [module]
 negative:
   phase: parse
   type: SyntaxError
+features: [new.target]
 ---*/
 
 throw "Test262: This statement should not be evaluated.";