[libcxx-commits] [PATCH] D132509: [libc++] Use _Lazy in tuple constructors

[Nikolas Klauser via Phabricator via libcxx-commits]

philnik added a comment.

In D132509#4656075 <https://reviews.llvm.org/D132509#4656075>, @mstorsjo wrote:

> FYI, I see that this change had the effect, that compiling `std/utilities/tuple/tuple.tuple/tuple.cnstr/recursion_depth.pass.cpp` now uses 2.3 GB of memory in Clang, while it previously only used 200 MB memory to compile it.
>
> I guess that particular testcase is a rather extreme case, but I just wanted to doublecheck that this was expected behaviour.

Did the test changes affect the memory usage or the code changes?


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  https://reviews.llvm.org/D132509/new/

https://reviews.llvm.org/D132509