[Bug c/105660] [12/13 Regression] ICE in warn_parm_array_mismatch when merging two function decls and VLA arguments since r12-1218-gc6503fa93b5565c9

[romain at dolbeau dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105660

--- Comment #4 from Romain Dolbeau <romain at dolbeau dot org> ---
It seems the issue was an 'r' dropped from the name of 'strrchr' in the
offending commit. Fixing this resolves the bug for us. See the attached patch.