Ruby: Always translate or and and to expression#562
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This MR contains the following updates: | Package | Update | Change | |---|---|---| | [opengrep/opengrep](https://github.com/opengrep/opengrep) | minor | `v1.15.1` → `v1.16.0` | MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot). **Proposed changes to behavior should be submitted there as MRs.** --- ### Release Notes <details> <summary>opengrep/opengrep (opengrep/opengrep)</summary> ### [`v1.16.0`](https://github.com/opengrep/opengrep/releases/tag/v1.16.0): Opengrep 1.16.0 [Compare Source](opengrep/opengrep@v1.15.1...v1.16.0) #### Improvements - Dart: Add typed metavariabless by [@​maciejpirog](https://github.com/maciejpirog) in [#​551](opengrep/opengrep#551) - Dart: Use case of identifier to guess call vs new by [@​maciejpirog](https://github.com/maciejpirog) in [#​555](opengrep/opengrep#555) - Go: Enable goroutines in taint tracking by [@​maciejpirog](https://github.com/maciejpirog) in [#​559](opengrep/opengrep#559) - Add taint propagation via "for" comprehensions by [@​maciejpirog](https://github.com/maciejpirog) in [#​564](opengrep/opengrep#564) #### Bug Fixes - Rust: Missing Rust type alias translation by [@​smith-xyz](https://github.com/smith-xyz) in [#​549](opengrep/opengrep#549) - Fix: Ensure that linux binaries have 8mb stack size (musl) by [@​dimitris-m](https://github.com/dimitris-m) in [#​563](opengrep/opengrep#563) - Fixed a perf regression by removing system calls and improving the reachability graph and the callee lookup by [@​corneliuhoffman](https://github.com/corneliuhoffman) in [#​556](opengrep/opengrep#556) - Fixed intrafile bug introduced by a superfluous fallback by [@​corneliuhoffman](https://github.com/corneliuhoffman) in [#​567](opengrep/opengrep#567) - Ruby: Always translate `or` and `and` to expression by [@​maciejpirog](https://github.com/maciejpirog) in [#​562](opengrep/opengrep#562) - Bash: Allow redirects before command arguments by [@​maciejpirog](https://github.com/maciejpirog) in [#​548](opengrep/opengrep#548) #### Internal Improvements - Add `show dump-intrafile-graph` and `show dump-taint-signatures` commands by [@​corneliuhoffman](https://github.com/corneliuhoffman) in [#​552](opengrep/opengrep#552) - Improve tainting code by [@​maciejpirog](https://github.com/maciejpirog) in [#​546](opengrep/opengrep#546) - Graph refactoring by [@​corneliuhoffman](https://github.com/corneliuhoffman) in [#​553](opengrep/opengrep#553) #### New Contributors - [@​smith-xyz](https://github.com/smith-xyz) made their first contribution in [#​549](opengrep/opengrep#549) **Full Changelog**: <opengrep/opengrep@v1.15.1...v1.16.0> </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this MR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi45Ni4yIiwidXBkYXRlZEluVmVyIjoiNDIuOTYuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiUmVub3ZhdGUgQm90IiwiYXV0b21hdGlvbjpib3QtYXV0aG9yZWQiLCJkZXBlbmRlbmN5LXR5cGU6Om1pbm9yIl19-->
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We fix a bug that makes dataflow tainting think the call of
sinkbelow is dead code and taint is not found.The reason is that the translation wants to be smart, and, to avoid temporary variables, expressions that are not used anywhere (evaluated only for side-effects), are translated to statements, and
Oris no longer lazy. This is a more general bug that should be fixed together with a big refactoring of AST_to_IL, but such nakedorexpressions like in the example above are idiomatic in Ruby, and should be fixed ASAP, hence this "special case" quick fix.