[Bug tree-optimization/101830] [12 Regression] Incorrect error messages beginning with r12-2591 (backward jump threader)

[wschmidt at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101830

--- Comment #3 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Created attachment 51281
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51281&action=edit
Preprocessed source

Per request, preprocessed source.

Compile with "g++ rs6000-gen-builtins.ii -c -O2 -Wall -Werror" to reproduce.