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ae8f18c0b5
The AST dataflow library essentially ignores conversions, which is probably the right behavior. Converting an `int` to a `long` preserves the value, even if the bit pattern might be different. It's arguable whether narrowing conversions should be treated as dataflow, but we'll do so for now. We can revisit that if we see it cause problems.
Semmle QL
This open source repository contains the standard QL libraries and queries that power LGTM, and the other products that Semmle makes available to its customers worldwide.
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LGTM has extensive documentation on getting started with writing QL. You can use the interactive query console or the QL for Eclipse plugin to try out your queries on any open-source project that's currently being analyzed.
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The LGTM queries are licensed under Apache License 2.0 by Semmle.