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Fix: avoid exponential require-atomic-updates traversal (fixes #10893) #10894

Merged
merged 2 commits into from Sep 28, 2018
Merged

Fix: avoid exponential require-atomic-updates traversal (fixes #10893) #10894

merged 2 commits into from Sep 28, 2018

Commits on Sep 26, 2018

  1. Fix: avoid exponential-time no-atomic-updates traversal (fixes #10893) 

    Previously, the `no-atomic-updates` rule would traverse over every path in the control flow graph, resulting in a runtime that was exponential in the number of edges in the graph. This commit updates the rule to use a lattice-based [dataflow analysis](https://en.wikipedia.org/wiki/Data-flow_analysis) algorithm, similar to the algorithms used by optimizing compilers.
    @not-an-aardvark
    not-an-aardvark committed Sep 26, 2018
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  2. Remove unnecessary test change

    @not-an-aardvark
    not-an-aardvark committed Sep 26, 2018
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