[Bug c++/69355] [5/6 Regression] Wrong results with -O1 optimization

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69355

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Note, -fno-tree-sra fixes the issue, so I bet it is the get_ref_base_and_extent
calls in tree-sra.c that matter.