Title: [291755] trunk/Source/_javascript_Core
- Revision
- 291755
- Author
- cdu...@apple.com
- Date
- 2022-03-23 11:37:21 -0700 (Wed, 23 Mar 2022)
Log Message
Avoid unnecessary String constructor under FunctionExecutable::toStringSlow()
https://bugs.webkit.org/show_bug.cgi?id=238263
Reviewed by Darin Adler.
* runtime/FunctionExecutable.cpp:
(JSC::FunctionExecutable::toStringSlow):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (291754 => 291755)
--- trunk/Source/_javascript_Core/ChangeLog 2022-03-23 18:31:58 UTC (rev 291754)
+++ trunk/Source/_javascript_Core/ChangeLog 2022-03-23 18:37:21 UTC (rev 291755)
@@ -1,3 +1,13 @@
+2022-03-23 Chris Dumez <cdu...@apple.com>
+
+ Avoid unnecessary String constructor under FunctionExecutable::toStringSlow()
+ https://bugs.webkit.org/show_bug.cgi?id=238263
+
+ Reviewed by Darin Adler.
+
+ * runtime/FunctionExecutable.cpp:
+ (JSC::FunctionExecutable::toStringSlow):
+
2022-03-23 Yusuke Suzuki <ysuz...@apple.com>
Unreviewed, fix DataIC's slowPathJump handling
Modified: trunk/Source/_javascript_Core/runtime/FunctionExecutable.cpp (291754 => 291755)
--- trunk/Source/_javascript_Core/runtime/FunctionExecutable.cpp 2022-03-23 18:31:58 UTC (rev 291754)
+++ trunk/Source/_javascript_Core/runtime/FunctionExecutable.cpp 2022-03-23 18:37:21 UTC (rev 291755)
@@ -141,7 +141,7 @@
if (isClass())
return cache(jsString(vm, classSource().view().toString()));
- String functionHeader;
+ ASCIILiteral functionHeader = ""_s;
switch (parseMode()) {
case SourceParseMode::GeneratorWrapperFunctionMode:
case SourceParseMode::GeneratorWrapperMethodMode:
@@ -164,7 +164,6 @@
case SourceParseMode::ArrowFunctionMode:
case SourceParseMode::ClassFieldInitializerMode:
- functionHeader = "";
break;
case SourceParseMode::AsyncFunctionMode:
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