Revert of [regexp] Named capture support for string replacements

Revert of [regexp] Named capture support for string replacements (patchset #5 id:80001 of https://codereview.chromium.org/2775303002/ )

Reason for revert:
Invalid DCHECKs for non-matched groups.

Original issue's description:
> [regexp] Named capture support for string replacements
> 
> This implements support for named captures in
> RegExp.prototype[@@replace] for when the replaceValue is not callable.
> 
> Named captures can be referenced from replacement strings by using the
> "$<name>" syntax. A couple of examples:
> 
> let re = /(?<fst>.)(?<snd>.)/u;
> "abcd".replace(re, "$<snd>$<fst>")  // "bacd"
> "abcd".replace(re, "$2$1")     // "bacd" (numbered refs work as always)
> "abcd".replace(re, "$<snd")    // SyntaxError (unterminated named ref)
> "abcd".replace(re, "$<42$1>")  // "cd" (invalid name)
> "abcd".replace(re, "$<thd>")   // "cd" (non-existent name)
> "abcd".replace(/(?<fst>.)|(?<snd>.)/u, "$<snd>")  // "cd" (non-matched capture)
> 
> Support is currently behind the --harmony-regexp-named-captures flag.
> 
> BUG=v8:5437
> 
> Review-Url: https://codereview.chromium.org/2775303002
> Cr-Commit-Position: refs/heads/master@{#44171}
> Committed: https://chromium.googlesource.com/v8/v8/+/17f13863b64b25eccf565e0aa9c4c441f0562b84

TBR=yangguo@chromium.org,littledan@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5437
Review-Url: https://codereview.chromium.org/2776293003
Cr-Commit-Position: refs/heads/master@{#44180}
Committed: https://chromium.googlesource.com/v8/v8/+/34ffdd6238fb2aa3beb7a9397521e56b48b04523

[jgruber, 2017-03-28 09:02:04]

The CQ bit was checked by jgruber@chromium.org

[jgruber, 2017-03-28 09:02:04]

Created Revert of [regexp] Named capture support for string replacements

[commit-bot: I haz the power, 2017-03-28 09:02:08]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-28 09:02:15]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490691724306500, "parent_rev":
"53af0d1ad3a3adfc9cd51df6afeb3200bc78f6ec", "commit_rev":
"34ffdd6238fb2aa3beb7a9397521e56b48b04523"}

[commit-bot: I haz the power, 2017-03-28 09:02:21]

Description was changed from

==========
Revert of [regexp] Named capture support for string replacements (patchset #5
id:80001 of https://codereview.chromium.org/2775303002/ )

Reason for revert:
Invalid DCHECKs for non-matched groups.

Original issue's description:
> [regexp] Named capture support for string replacements
> 
> This implements support for named captures in
> RegExp.prototype[@@replace] for when the replaceValue is not callable.
> 
> Named captures can be referenced from replacement strings by using the
> "$<name>" syntax. A couple of examples:
> 
> let re = /(?<fst>.)(?<snd>.)/u;
> "abcd".replace(re, "$<snd>$<fst>")  // "bacd"
> "abcd".replace(re, "$2$1")     // "bacd" (numbered refs work as always)
> "abcd".replace(re, "$<snd")    // SyntaxError (unterminated named ref)
> "abcd".replace(re, "$<42$1>")  // "cd" (invalid name)
> "abcd".replace(re, "$<thd>")   // "cd" (non-existent name)
> "abcd".replace(/(?<fst>.)|(?<snd>.)/u, "$<snd>")  // "cd" (non-matched
capture)
> 
> Support is currently behind the --harmony-regexp-named-captures flag.
> 
> BUG=v8:5437
> 
> Review-Url: https://codereview.chromium.org/2775303002
> Cr-Commit-Position: refs/heads/master@{#44171}
> Committed:
https://chromium.googlesource.com/v8/v8/+/17f13863b64b25eccf565e0aa9c4c441f05...

TBR=yangguo@chromium.org,littledan@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5437
==========

to

==========
Revert of [regexp] Named capture support for string replacements (patchset #5
id:80001 of https://codereview.chromium.org/2775303002/ )

Reason for revert:
Invalid DCHECKs for non-matched groups.

Original issue's description:
> [regexp] Named capture support for string replacements
> 
> This implements support for named captures in
> RegExp.prototype[@@replace] for when the replaceValue is not callable.
> 
> Named captures can be referenced from replacement strings by using the
> "$<name>" syntax. A couple of examples:
> 
> let re = /(?<fst>.)(?<snd>.)/u;
> "abcd".replace(re, "$<snd>$<fst>")  // "bacd"
> "abcd".replace(re, "$2$1")     // "bacd" (numbered refs work as always)
> "abcd".replace(re, "$<snd")    // SyntaxError (unterminated named ref)
> "abcd".replace(re, "$<42$1>")  // "cd" (invalid name)
> "abcd".replace(re, "$<thd>")   // "cd" (non-existent name)
> "abcd".replace(/(?<fst>.)|(?<snd>.)/u, "$<snd>")  // "cd" (non-matched
capture)
> 
> Support is currently behind the --harmony-regexp-named-captures flag.
> 
> BUG=v8:5437
> 
> Review-Url: https://codereview.chromium.org/2775303002
> Cr-Commit-Position: refs/heads/master@{#44171}
> Committed:
https://chromium.googlesource.com/v8/v8/+/17f13863b64b25eccf565e0aa9c4c441f05...

TBR=yangguo@chromium.org,littledan@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5437

Review-Url: https://codereview.chromium.org/2776293003
Cr-Commit-Position: refs/heads/master@{#44180}
Committed:
https://chromium.googlesource.com/v8/v8/+/34ffdd6238fb2aa3beb7a9397521e56b48b...
==========

[commit-bot: I haz the power, 2017-03-28 09:02:22]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/34ffdd6238fb2aa3beb7a9397521e56b48b...