Dominator deadcode problem fix #1984
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smonicas
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Sep 8, 2023
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montyly
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| ret = set() | ||
| for pred in node.fathers: | ||
| ret = ret.union(pred.dominators) |
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Mhh I am confused, can you explain why are we doing the union over the predecessor dominators, and then their interaction?
It seem to me that this loop should be removed - unless I am missing something here
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It's the safest way to start set intersections. I could store the first set as the base and start intersecting all sets with that but the first set may not exist. So the safest way is to get every element from every set, and start to intersect every set with that big set
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thanks @Tiko7454 |
This was referenced Oct 12, 2023
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For visibility, there was an issue with the recent add of the vyper support (see #2171). We will investigate this further |
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Fixes #1973 the way I mentioned in the bug report