[llvm] r294003 - [SelectionDAG] Fix for PR30775: Assertion `NodeToMatch->getOpcode() !=
Hans Wennborg via llvm-commits
llvm-commits at lists.llvm.org
Fri Feb 3 13:37:35 PST 2017
This fixes PR30775, which is marked as a release blocker, but the
change looks a bit scary to me when considering merging it.
Justin, you're the SDAG owner; what do you think about merging this?
On Fri, Feb 3, 2017 at 4:28 AM, Alexey Bataev via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: abataev
> Date: Fri Feb 3 06:28:40 2017
> New Revision: 294003
> URL: http://llvm.org/viewvc/llvm-project?rev=294003&view=rev
> [SelectionDAG] Fix for PR30775: Assertion `NodeToMatch->getOpcode() !=
> ISD::DELETED_NODE && "NodeToMatch was removed partway through
> selection"' failed.
> NodeToMatch can be modified during matching, but code does not handle
> this situation.
> Differential Revision: https://reviews.llvm.org/D29292
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