[libcxx-commits] [libcxx] [libc++] Assert that the elements selected by a valarray subscript exist (PR #236120)

[Ilyas Mallah via libcxx-commits]

ilyas-mallah wrote:

@philnik777 @Zingam Could one of you review this? The valarray operator size checks are in #230606.

https://github.com/llvm/llvm-project/pull/236120