The following code stopped compiling when d1initall is enabled. https://godbolt.org/z/9EW3z1s5P ``` #include <string> constexpr bool f() noexcept { std::string gate_name{"aaaaaaaaaaaaaaaaaaaaaa"}; return true; } constexpr bool b = f(); ``` Godbolt shows the regression starting in v19.38. Cameron helped me track the regression to [PR 490538: Port 14 GitHub PRs: GH-3939, GH-3900, GH-3935, GH-3912, GH-3927, GH-3936, GH-3862, GH-3903, GH-3904, GH-3920, GH-3921, GH-3930, GH-3933, GH-3934](https://devdiv.visualstudio.com/DevDiv/_git/msvc/pullrequest/490538).