[llvm] [offload] add support for aligned allocations (PR #203353)

[via llvm-commits]

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+//===--------------- Offload API tests - olMemAllocAligned ----------------===//
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EuphoricThinking wrote:

Alongside this patch, I'm working on adding parameterized fixtures and adjusting existing tests. Test improvements will be included in a separate PR.

https://github.com/llvm/llvm-project/pull/203353