[Bug c/124223] Cast (int32_t)0x80000000 causes the whole loop to be optimized away

[stano at meduna dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124223

--- Comment #2 from stano at meduna dot org ---
Created attachment 63775
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63775&action=edit
-O1 assembly output