llvm-project

385961d7 - Reapply "[libc] Use best-fit binary trie to make malloc logarithmic (#117065)"

Reapply "[libc] Use best-fit binary trie to make malloc logarithmic (#117065)" This reverts commit 93b83642ee34d0092b94776728dad0117c2b72a1. - Correct riscv32 assumption about alignment (bit of a hack). - Fix test case where the largest_small and smallest sizes are the same.