[Bug c++/125328] Compilation performance regression in GCC 16 compared to 15, especially with import std;

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125328

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |compile-time-hog

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
There's a related PR where the actual reason is the different -std default. 
Does the difference vanish if you force -std=gnu++20 or -std=gnu++17
consistently for both releases?