[libcxx-commits] [libcxx] [libc++][test] Fix increasing_allocator to meet `Cpp17Allocator` requirements (PR #115671)

[Louis Dionne via libcxx-commits]

ldionne wrote:

@winner245 Actually, how did you come across this issue? Did our test suite fail with another Standard library somehow?

https://github.com/llvm/llvm-project/pull/115671