[webkit-reviews] review requested: [Bug 101421] StringBuilder::append(UChar) with an 8 bit quantity shouldn't change the contents to 16 bits : [Attachment 172720] Patch

[bugzilla-daemon at webkit.org]

Michael Saboff <msaboff at apple.com> has asked  for review:
Bug 101421: StringBuilder::append(UChar) with an 8 bit quantity shouldn't
change the contents to 16 bits
https://bugs.webkit.org/show_bug.cgi?id=101421

Attachment 172720: Patch
https://bugs.webkit.org/attachment.cgi?id=172720&action=review

------- Additional Comments from Michael Saboff <msaboff at apple.com>
This appears to be a progression on most of the Parser performance tests.  Here
is a comparison of the arithmetic average of 8 test runs for the parser tests:

Test		     Baseline	     With Patch   Change
html-parser	    2026.46ms	   1989.21ms	  +2.8%
html5-full-render   4274.28ms	   4176.83ms	  +2.3%
innerHTML-setter     263.14runs/s   269.21runs/s  +2.3%
simple-url	      48.47runs/s    51.14runs/s  +5.5%
textarea-parsing      82.73runs/s    83.00runs/s  +0.3%
tiny-inner-HTML        5.08runs/s     5.07runs/s  -0.2%
url-parser	     111.32runs/r   117.61runs/s  +5.7%
xml-parser	       7.07runs/s     7.20runs/s  +1.8%