[llvm] RuntimeLibcalls: Add bitset for available libcalls (PR #150869)

[Nikita Popov via llvm-commits]

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nikic wrote:

Listing the uintptr_t size in this way looks pretty fragile. For example, x86_64 has sizeof(uintptr_t) == 4 when using the x32 ABI.

https://github.com/llvm/llvm-project/pull/150869