[libc-commits] [llvm] [libc] [libc] Move printf long double to simple calc (PR #75414)

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michaelrj-google wrote:

@gchatelet and @lntue do you have any comments before I land this? I'm going to let it run with the fuzzer for a while to check correctness.

https://github.com/llvm/llvm-project/pull/75414