[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 #2 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
Both, the hang in genattrtab and the error message happen in stage 2.