[FBcode->GH] [codemod][highrisk] Fix shadowed variable in pytorch/vision/torchvision/csrc/io/decoder/decoder.cpp #8217
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…on/csrc/io/decoder/decoder.cpp Summary: Our upcoming compiler upgrade will require us not to have shadowed variables. Such variables have a _high_ bug rate and reduce readability, so we would like to avoid them even if the compiler was not forcing us to do so. This codemod attempts to fix an instance of a shadowed variable. Please review with care: if it's failed the result will be a silent bug. **What's a shadowed variable?** Shadowed variables are variables in an inner scope with the same name as another variable in an outer scope. Having the same name for both variables might be semantically correct, but it can make the code confusing to read! It can also hide subtle bugs. This diff fixes such an issue by renaming the variable. - If you approve of this diff, please use the "Accept & Ship" button :-) Reviewed By: palmje Differential Revision: D52582795 fbshipit-source-id: 43df02107f8524ea94df18af2524b4a1ca3936b8
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/vision/8217
Note: Links to docs will display an error until the docs builds have been completed. ✅ You can merge normally! (1 Unrelated Failure)As of commit 70496df with merge base 6f0deb9 ( FLAKY - The following job failed but was likely due to flakiness present on trunk:
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Summary:
Our upcoming compiler upgrade will require us not to have shadowed variables. Such variables have a high bug rate and reduce readability, so we would like to avoid them even if the compiler was not forcing us to do so.
This codemod attempts to fix an instance of a shadowed variable. Please review with care: if it's failed the result will be a silent bug.
What's a shadowed variable?
Shadowed variables are variables in an inner scope with the same name as another variable in an outer scope. Having the same name for both variables might be semantically correct, but it can make the code confusing to read! It can also hide subtle bugs.
This diff fixes such an issue by renaming the variable.
Reviewed By: palmje
Differential Revision: D52582795
fbshipit-source-id: 43df02107f8524ea94df18af2524b4a1ca3936b8