[SPEC] Add compiler check for -fwrapv-pointer in xalancbmk #237
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-fwrapv-pointer is a relatively recent flag and older versions of clang may not support it. Hopefully older versions of clang also don't perform the UB optimisation that warrants the use of the flag in the first place
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I'm not currently in front of the right machine to test, but would |
It looks like that's only available in the MicroBenchmarks directory, I can't seem to import Maybe it would be worthwhile extracting that out in a separate PR so we can use it in other places? It looks useful |
Oops, I missed that. LGTM then. |
citymarina
approved these changes
Apr 23, 2025
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-fwrapv-pointer is a relatively recent flag and older versions of clang may not support it.
Hopefully older versions of clang also don't perform the UB optimisation that warrants the use of the flag in the first place