[libcxx-commits] [libcxx] [libc++] Avoid materializing input ranges prepended to deque (PR #199969)

[Louis Dionne via libcxx-commits]

ldionne wrote:

/libcxx-bot benchmark libcxx/test/benchmarks/containers/sequence/deque.bench.cpp libcxx/test/benchmarks/containers/sequence/vector.bench.cpp

https://github.com/llvm/llvm-project/pull/199969