codeql

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Tom Hvitved 6c182564e7 C#: Adjustments to CIL/nullness analyses

- Cache predicates in the same stage using a cached module.
- Introduce `DefUse::defUseVariableUpdate()` and use in `CallableReturns.qll`.
  The updated file `csharp/ql/test/library-tests/cil/dataflow/Nullness.expected`
  demonstrates why this is needed.
- Utilize CIL analysis in `Guards::nonNullValue()`.
- Analyze SSA definitions in `AlwaysNullExpr`, similar to `NonNullExpr`.

2019-03-22 15:11:31 +01:00

CallableReturns.expected

C#: Update expected outputs.

2019-03-19 15:11:19 +00:00

CallableReturns.ql

C#: Update expected outputs.

2019-03-19 15:11:19 +00:00

ControlFlow.expected

C#: Fix bug in dataflow library.

2019-03-18 17:59:56 +00:00

ControlFlow.ql

C#: Improve nullness and control flow by using CIL for null and throwing callables.