[Webkit-unassigned] [Bug 272481] New: Add -fsanitize=local-bounds to UBSan builds

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=272481

            Bug ID: 272481
           Summary: Add -fsanitize=local-bounds to UBSan builds
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ddkilzer at webkit.org
        Depends on: 176131, 230100, 244540

Add -fsanitize=local-bounds to UBSan builds.

> -fsanitize=bounds: Out of bounds array indexing, in cases where the array bound can be statically determined. The check includes -fsanitize=array-bounds and -fsanitize=local-bounds. Note that -fsanitize=local-bounds is not included in -fsanitize=undefined.

<https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html#available-checks>


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=176131
[Bug 176131] Compile WebKit with UBSan
https://bugs.webkit.org/show_bug.cgi?id=230100
[Bug 230100] Fix ASan+UBSan builds: part two
https://bugs.webkit.org/show_bug.cgi?id=244540
[Bug 244540] [Xcode] Simplify sanitizer builds
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