C++: Update test results after extractor changes#21853
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Pull request overview
This PR updates C++ dataflow taint test expectations to match extractor output changes.
Changes:
- Adds two expected local taint-flow result rows involving
noexcept(...)instl.h.
Show a summary per file
| File | Description |
|---|---|
cpp/ql/test/library-tests/dataflow/taint-tests/localTaint.expected |
Updates expected output for the local taint library test. |
Copilot's findings
- Files reviewed: 1/1 changed files
- Comments generated: 0
geoffw0
reviewed
May 15, 2026
| | stl.h:96:42:96:42 | ref arg x | stl.h:95:69:95:69 | x | | | ||
| | stl.h:96:42:96:42 | ref arg x | stl.h:95:69:95:69 | x | | | ||
| | stl.h:292:30:292:40 | 0 | file://:0:0:0:0 | noexcept(...) | TAINT | | ||
| | stl.h:292:30:292:40 | 0 | file://:0:0:0:0 | noexcept(...) | TAINT | |
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What does this flow represent - in particular where does the 0 come from? Line 292 is:
vector() noexcept(noexcept(Allocator())) : vector(Allocator()) { }
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Nothing. This code is never executed. I'd say this is a bug in the old dataflow library.
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Ah, this is just a case where the extractor is extracting more (or something like that) and exposing existing issues.
geoffw0
approved these changes
May 15, 2026
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