[llvm-commits] [PATCH] Do not attempt to destroy AttributesListImpl if already destroyed

[Owen Anderson]

Applied in r119721.  Thanks!

--Owen

On Nov 13, 2010, at 3:01 PM, Peter Collingbourne wrote:

> Hi,
> 
> During static deinitialization, it is possible for AttributesLists to
> be destroyed before GlobalContext.  This will cause the AttrListPtrs
> held by Function and various Instruction subclasses to be invalidated.
> Later when GlobalContext is destroyed the AttributesListImpls referred
> to by the AttrListPtrs will be deleted, causing memory errors.
> This patch causes AttributesListImpl to skip deinitialization via
> DropRef if AttributesLists has been destroyed.
> 
> OK to commit?
> 
> Thanks,
> -- 
> Peter
> <0001-Do-not-attempt-to-destroy-AttributesListImpl-if-alre.patch>_______________________________________________
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