[Bug tree-optimization/123651] `-g2` triggers `-Wuninitialized` on internal SRA temp (`SR.*`), not reproducible with `-g1`

[teodor_spaeren at riseup dot net via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123651

--- Comment #3 from teodor_spaeren at riseup dot net ---
I am not sure I put it explicitly, but this happens at -g2 and higher, but not
with -g1.