[libcxx-commits] [libcxx] [libc++][hardening] Don't trigger redundant checks in the fast mode. (PR #77176)

Louis Dionne via libcxx-commits libcxx-commits at lists.llvm.org
Tue Jan 9 13:29:23 PST 2024


================
@@ -152,8 +152,9 @@ class layout_left::mapping {
     // return a value exceeding required_span_size(), which is used to know how large an allocation one needs
     // Thus, this is a canonical point in multi-dimensional data structures to make invalid element access checks
     // However, mdspan does check this on its own, so for now we avoid double checking in hardened mode
----------------
ldionne wrote:

```suggestion
    // However, mdspan does check this on its own, so we avoid double checking in hardened mode
```

https://github.com/llvm/llvm-project/pull/77176


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