[Bug other/98663] gcc generates endless loop at -O2 or greater depending on order of testExpression

[charliepdts at gmx dot at via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98663

--- Comment #5 from charliepdts at gmx dot at ---
Hi Jakub, thanks for the detailed description and the insights as to the
assumptions that the compiler uses when optimizing code like this.