Revert of Implement flag and source getters on RegExp.prototype.

Revert of Implement flag and source getters on RegExp.prototype. (patchset #6 id:110001 of https://codereview.chromium.org/1419823010/ )

Reason for revert:
Breaks Chromium tests and blocks the roll: http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_chromeos_rel_ng/builds/124490

Original issue's description:
> Implement flag and source getters on RegExp.prototype.
>
> R=littledan@chromium.org
> BUG=v8:3715, v8:4528
> LOG=Y
>
> Committed: https://crrev.com/60e8877e161fe6175e19fafce2d6ed1c3999cdb1
> Cr-Commit-Position: refs/heads/master@{#31753}
>
> Committed: https://crrev.com/b5c80a31ad266eb38a0cf2ff756be59c66d34aa5
> Cr-Commit-Position: refs/heads/master@{#31773}
>
> Committed: https://crrev.com/85494e90bb63a3a9e19a1bf862cb6bfcb0162ee9
> Cr-Commit-Position: refs/heads/master@{#31782}

TBR=littledan@chromium.org,jochen@chromium.org,ulan@chromium.org,yangguo@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:3715, v8:4528
Committed: https://crrev.com/a77aa3a2b4ad7bc89514421324899bc603b0d68c
Cr-Commit-Position: refs/heads/master@{#31801}

[Michael Hablich, 2015-11-04 17:56:28]

Created Revert of Implement flag and source getters on RegExp.prototype.

[commit-bot: I haz the power, 2015-11-04 17:56:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1432683002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1432683002/1

[commit-bot: I haz the power, 2015-11-04 17:57:01]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-11-04 17:57:02]

Failed to apply patch for src/bootstrapper.cc:
While running git apply --index -3 -p1;
  error: patch failed: src/bootstrapper.cc:1228
  Falling back to three-way merge...
  Applied patch to 'src/bootstrapper.cc' with conflicts.
  U src/bootstrapper.cc

Patch:       src/bootstrapper.cc
Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index
9b1399e1cbdfdf8c26364eb91d9e3bc3f520033d..c26aa1de13f92d2efd5690fbf5a50bda4e3b25b9
100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -1228,16 +1228,31 @@
     Map::EnsureDescriptorSlack(initial_map, 5);
 
     {
-      // ES6 21.2.3.2.1
-      DataDescriptor field(factory->regexp_source_symbol(),
+      // ECMA-262, section 15.10.7.1.
+      DataDescriptor field(factory->source_string(),
                            JSRegExp::kSourceFieldIndex, final,
                            Representation::Tagged());
       initial_map->AppendDescriptor(&field);
     }
     {
-      DataDescriptor field(factory->regexp_flags_symbol(),
-                           JSRegExp::kFlagsFieldIndex, final,
-                           Representation::Smi());
+      // ECMA-262, section 15.10.7.2.
+      DataDescriptor field(factory->global_string(),
+                           JSRegExp::kGlobalFieldIndex, final,
+                           Representation::Tagged());
+      initial_map->AppendDescriptor(&field);
+    }
+    {
+      // ECMA-262, section 15.10.7.3.
+      DataDescriptor field(factory->ignore_case_string(),
+                           JSRegExp::kIgnoreCaseFieldIndex, final,
+                           Representation::Tagged());
+      initial_map->AppendDescriptor(&field);
+    }
+    {
+      // ECMA-262, section 15.10.7.4.
+      DataDescriptor field(factory->multiline_string(),
+                           JSRegExp::kMultilineFieldIndex, final,
+                           Representation::Tagged());
       initial_map->AppendDescriptor(&field);
     }
     {
@@ -2040,6 +2055,8 @@
                           isolate->factory()->ToBoolean(FLAG), NONE); \
   }
 
+  INITIALIZE_FLAG(FLAG_harmony_regexps)
+  INITIALIZE_FLAG(FLAG_harmony_unicode_regexps)
   INITIALIZE_FLAG(FLAG_harmony_tostring)
   INITIALIZE_FLAG(FLAG_harmony_tolength)

[commit-bot: I haz the power, 2015-11-04 17:57:04]

The CQ bit was unchecked by commit-bot@chromium.org

[Michael Hablich, 2015-11-04 18:23:26]

On 2015/11/04 17:57:02, commit-bot: I haz the power wrote:
> Failed to apply patch for src/bootstrapper.cc:
> While running git apply --index -3 -p1;
>   error: patch failed: src/bootstrapper.cc:1228
>   Falling back to three-way merge...
>   Applied patch to 'src/bootstrapper.cc' with conflicts.
>   U src/bootstrapper.cc
> 
> Patch:       src/bootstrapper.cc
> Index: src/bootstrapper.cc
> diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
> index
>
9b1399e1cbdfdf8c26364eb91d9e3bc3f520033d..c26aa1de13f92d2efd5690fbf5a50bda4e3b25b9
> 100644
> --- a/src/bootstrapper.cc
> +++ b/src/bootstrapper.cc
> @@ -1228,16 +1228,31 @@
>      Map::EnsureDescriptorSlack(initial_map, 5);
>  
>      {
> -      // ES6 21.2.3.2.1
> -      DataDescriptor field(factory->regexp_source_symbol(),
> +      // ECMA-262, section 15.10.7.1.
> +      DataDescriptor field(factory->source_string(),
>                             JSRegExp::kSourceFieldIndex, final,
>                             Representation::Tagged());
>        initial_map->AppendDescriptor(&field);
>      }
>      {
> -      DataDescriptor field(factory->regexp_flags_symbol(),
> -                           JSRegExp::kFlagsFieldIndex, final,
> -                           Representation::Smi());
> +      // ECMA-262, section 15.10.7.2.
> +      DataDescriptor field(factory->global_string(),
> +                           JSRegExp::kGlobalFieldIndex, final,
> +                           Representation::Tagged());
> +      initial_map->AppendDescriptor(&field);
> +    }
> +    {
> +      // ECMA-262, section 15.10.7.3.
> +      DataDescriptor field(factory->ignore_case_string(),
> +                           JSRegExp::kIgnoreCaseFieldIndex, final,
> +                           Representation::Tagged());
> +      initial_map->AppendDescriptor(&field);
> +    }
> +    {
> +      // ECMA-262, section 15.10.7.4.
> +      DataDescriptor field(factory->multiline_string(),
> +                           JSRegExp::kMultilineFieldIndex, final,
> +                           Representation::Tagged());
>        initial_map->AppendDescriptor(&field);
>      }
>      {
> @@ -2040,6 +2055,8 @@
>                            isolate->factory()->ToBoolean(FLAG), NONE); \
>    }
>  
> +  INITIALIZE_FLAG(FLAG_harmony_regexps)
> +  INITIALIZE_FLAG(FLAG_harmony_unicode_regexps)
>    INITIALIZE_FLAG(FLAG_harmony_tostring)
>    INITIALIZE_FLAG(FLAG_harmony_tolength)

Looking into it ..

[Michael Hablich, 2015-11-04 18:33:31]

The CQ bit was checked by hablich@chromium.org

[commit-bot: I haz the power, 2015-11-04 18:33:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1432683002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1432683002/1

[commit-bot: I haz the power, 2015-11-04 18:34:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-04 18:34:36]

Patchset 1 (id:??) landed as
https://crrev.com/a77aa3a2b4ad7bc89514421324899bc603b0d68c
Cr-Commit-Position: refs/heads/master@{#31801}