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$/IronPython/IronPython_Main/Src/IronPython/Runtime/FunctionCode.cs
CHECKIN COMMENTS
--------------------------------------------------------------------------------
Changeset Id: 1525040
Date: 1/28/2010 3:49:13 PM
Fixes a regression in 2.6.1 found by the full test run. This issue is showing
up now because of the lazy production of the ASTs. But it’s been there for a
while. But here’s what’s happening:
First off FunctionCode.GetAlLCode is broken – it’s losing the list of function
code objects by exchanging in curCodeList (which is null) instead of
initialCode. This causes us not to flip tracing onto a code object. After
fixing that we flip the function codes of more objects which exposes an issue
of UpdateDelegate compiling code which causes the creation of more FunctionCode
objects. That causes us to re-enter and corrupt our lock which is held while
we’re updating the function codes. So now we won’t compile function code
objects switching back from tracing on to off just like we don’t when switching
from off to on.
GetRootCodeNoUpdating was also broken (and would spin forever if we hit this
race) although that’s unrelated to the failures we’re seeing
(Shelveset: Fix261Regression;REDMOND\dinov | SNAP CheckinId: 10227)
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