Stage --harmony-destructuring and --harmony-default-parameters

Since enabling destructuring already implies enabling default parameters,
there's not a good way to separate these two. Luckily, they're both
feature-complete (save for destructuring assignment).

This causes us to pass an additional 24 test262 tests.

BUG=v8:811, v8:2160
LOG=y

Review URL: https://codereview.chromium.org/1407393009

Cr-Commit-Position: refs/heads/master@{#31844}

src/flag-definitions.h

@@ -199,8 +199,6 @@ DEFINE_IMPLICATION(es_staging, harmony_destructuring)
   V(harmony_unicode_regexps, "harmony unicode regexps")               \
   V(harmony_reflect, "harmony Reflect API")                           \
   V(harmony_sloppy_function, "harmony sloppy function block scoping") \
-  V(harmony_destructuring, "harmony destructuring")                   \
-  V(harmony_default_parameters, "harmony default parameters")         \
   V(harmony_sharedarraybuffer, "harmony sharedarraybuffer")           \
   V(harmony_simd, "harmony simd")                                     \
   V(harmony_do_expressions, "harmony do-expressions")                 \
@@ -208,6 +206,8 @@ DEFINE_IMPLICATION(es_staging, harmony_destructuring)
 
 // Features that are complete (but still behind --harmony/es-staging flag).
 #define HARMONY_STAGED(V)                                     \
+  V(harmony_default_parameters, "harmony default parameters") \
+  V(harmony_destructuring, "harmony destructuring")           \
   V(harmony_regexps, "harmony regular expression extensions") \
   V(harmony_tostring, "harmony toString")                     \
   V(harmony_sloppy, "harmony features in sloppy mode")        \

test/test262/test262.status

@@ -184,20 +184,9 @@
   # This should work as soon as rest parameters are re-implemented via desaguring.
   'language/expressions/arrow-function/syntax/early-errors/arrowparameters-cover-no-duplicates-rest': [PASS, FAIL],
 
-  # https://code.google.com/p/v8/issues/detail?id=2160
-  'language/expressions/arrow-function/syntax/arrowparameters-cover-initialize-1': [FAIL],
-  'language/expressions/arrow-function/syntax/arrowparameters-cover-initialize-2': [FAIL],
-  'language/expressions/object/method-definition/generator-super-prop-param': [FAIL],
-  'language/expressions/object/method-definition/name-param-init-yield': [FAIL],
-  'language/expressions/object/method-definition/name-super-prop-param': [FAIL],
-
   # https://code.google.com/p/v8/issues/detail?id=3673
   'language/statements/class/definition/basics': [FAIL],
 
-  # Destructuring
-  # https://code.google.com/p/v8/issues/detail?id=811
-  'language/statements/for-of/body-dstr-assign': [FAIL],
-
   # https://code.google.com/p/v8/issues/detail?id=3566
   'language/statements/for-of/body-dstr-assign-error': [FAIL],
   'language/statements/for-of/body-put-error': [FAIL],
@@ -247,9 +236,11 @@
   'built-ins/GeneratorPrototype/return/try-finally-within-finally': [FAIL],
   'built-ins/GeneratorPrototype/return/try-finally-within-try': [FAIL],
 
-   # https://code.google.com/p/v8/issues/detail?id=811
+  # Destructuring assignment
+  # https://code.google.com/p/v8/issues/detail?id=811
   'language/expressions/assignment/destructuring/*': [SKIP],
-  'language/default-parameters/*': [SKIP],
+  'language/statements/for-of/body-dstr-assign': [FAIL],
+
 
   # https://code.google.com/p/v8/issues/detail?id=4248
   'language/expressions/compound-assignment/S11.13.2_A5.*': [FAIL],