[Bug middle-end/88401] -Wshift-overflow only works for const variables

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88401

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
It is a front-end warning, so there is no constant propagation possible.
You can use -fsanitize=shift to detect this stuff at runtime.