Message170971
| Author | skrah |
|---|---|
| Recipients | brian.curtin, loewis, nadeem.vawda, skrah, vstinner |
| Date | 2012-09-22.08:32:16 |
| SpamBayes Score | -1.0 |
| Marked as misclassified | Yes |
| Message-id | <1348302737.57.0.729142629575.issue15993@psf.upfronthosting.co.za> |
| In-reply-to |
| Content | |
|---|---|
System: Windows 7 64-bit
Build (unpatched): PCBuild\Win32-pgo\python.exe, trained with profile.bat
In the unpatched version, I stepped through this test case in the debugger:
import array
a = array.array('Q', [1])
m = memoryview(a)
m[0] = 1
At Objects/memoryobject.c:1572: llu == 1
At Objects/memoryobject.c:1782: pylong_as_llu returned value 4294967296
So I think it's pretty safe to say that this is indeed an optimizer bug. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2012-09-22 08:32:17 | skrah | set | recipients: + skrah, loewis, vstinner, nadeem.vawda, brian.curtin |
| 2012-09-22 08:32:17 | skrah | set | messageid: <1348302737.57.0.729142629575.issue15993@psf.upfronthosting.co.za> |
| 2012-09-22 08:32:17 | skrah | link | issue15993 messages |
| 2012-09-22 08:32:16 | skrah | create | |