Bug 254504
| Summary: | javascriptcore has an Inconsistent execution results with object property | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | chexiaokang <chexiaokang> |
| Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW | ||
| Severity: | Normal | CC: | mark.lam, webkit-bug-importer, ysuzuki |
| Priority: | P2 | Keywords: | InRadar |
| Version: | Safari 16 | ||
| Hardware: | Unspecified | ||
| OS: | macOS 13 | ||
chexiaokang@outlook.com
###### Version
safari 16.3 (18614.4.6.1.6)
###### Test case
```js
function foo() {
var obj = {};
var p0,p1
switch (p0) {
case (p0 = NaN):
case p1:
obj.prop = NaN;
break;
}
return obj.prop
};
print(foo())
```
###### Execution steps
.jsc Testcase.js
###### Output
```
undefined
```
###### Expected result
NaN
###### Description
The correct output of the test case should be `NaN` while javascriptcore yields `undefined` . I think it might be an issue of javascriptcore.
| Attachments | ||
|---|---|---|
| Add attachment proposed patch, testcase, etc. |
Radar WebKit Bug Importer
<rdar://problem/107548435>