[Bug c/91812] GCC ignores volatile modifier

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91812

Eric Gallager <egallager at gcc dot gnu.org> changed:

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

--- Comment #1 from Eric Gallager <egallager at gcc dot gnu.org> ---
If you declare ptr like this instead, the assembly comes out looking different:
volatile unsigned int *volatile ptr;