v8/test/mjsunit/ignition
Michael Achenbach fc50e2c4c9 Revert "[objects] No longer create short external strings."
This reverts commit e42e7fc800.

Reason for revert: Speculative revert for:
https://crbug.com/v8/7149

Original change's description:
> [objects] No longer create short external strings.
> 
> This fixes String::MakeExternal() to bail out if the subject string
> doesn't fit a regular ExternalString, instead of creating a short
> external string. The observation here is that for short external strings
> the overhead of having to have the StringResource plus going to the
> runtime/C++ for each and every character access from JavaScript land
> is probably bigger than the anticipated benefits.
> 
> If this turns out to be wrong and there's a real benefit, we should make
> use of ThinStrings instead of having a separate way to represent
> external strings.
> 
> Bug: v8:6621, v8:7109, v8:7145
> Change-Id: I4b75da08b82a72027c782a69de9c8eaf3cca1d4d
> Reviewed-on: https://chromium-review.googlesource.com/799750
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#49735}

TBR=yangguo@chromium.org,bmeurer@chromium.org

Change-Id: I3f5cfa9ab5c99ddce1d61ede9ed9515cb3936cdd
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:6621, v8:7109, v8:7145, v8:7149
Reviewed-on: https://chromium-review.googlesource.com/801675
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49770}
2017-11-30 20:04:41 +00:00
..
dead-code-source-position.js
dynamic-global-inside-block.js
ignition-statistics-extension.js
optimized-stack-trace.js
osr-from-bytecode.js
osr-from-generator.js
print-ast.js
regress-597565-double-to-object-transition.js
regress-599001-verifyheap.js
regress-612386-smi-to-double-transition.js
regress-616064.js
regress-629792-source-position-on-jump.js
regress-662418.js
regress-664146.js
regress-672027.js
stack-trace-source-position.js
string-concat-external-thin-string.js Revert "[objects] No longer create short external strings." 2017-11-30 20:04:41 +00:00
throw-if-hole.js
throw-if-not-hole.js
throw-super-not-called.js
tracing.js