[Bug tree-optimization/102798] [9/10/11/12 Regression] wrong code with -O3 -fno-tree-pta -mavx512f by r9-2475

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102798

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Visiting conditional with predicate: if (in_16(D) != 0B)

With known ranges
        in_16(D): const unsigned char * [1B, +INF]

1B for lower bound is wrong.