[libcxx-commits] [libcxx] [libc++] Optimize num_put integral functions (PR #120859)

[Nico Weber via libcxx-commits]

nico wrote:

We have a test that checks that streaming a pointer to an ostringstream prints a `0x` prefix on non-win but not on win.

(I suppose the test is just supposed to document current behavior.)

This seems to change the behavior on windows to print a `0x` prefix there too. Is that intentional?

https://github.com/llvm/llvm-project/pull/120859