fix a use-after-free problem in redundant load elimination #6690
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This shows up in an assert in RLE, but is very hard to reproduce. The problem was that the reference to the Values map element is potentially invalidated when assigning to the Values map in this line: Values[Base] = FirstVal.stripLastLevelProjection(); hopefully fixes rdar://problem/29922800
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@swift-ci Please smoke test and merge |
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This shows up in an assert in RLE, but is very hard to reproduce.
The problem was that the reference to the Values map element is potentially invalidated when assigning to the Values map in this line:
Values[Base] = FirstVal.stripLastLevelProjection();
hopefully fixes rdar://problem/29922800