[Bug bootstrap/78390] [7 Regression] Bootstrap failure: match.pd: cannot determine type of operand

[vogt at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78390

--- Comment #5 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
(In reply to Andreas Schwab from comment #3)
> Does it help to revert r242414?

Yep.  r242414 has introduced the problem.

(Happens only with --with-arch=zEC12.)