[Bug target/94706] [8/9/10 Regression] class with empty base passed incorrectly with -std=c++17 on ia64

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94706

--- Comment #6 from Andreas Schwab <schwab@linux-m68k.org> ---
Created attachment 48340
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48340&action=edit
Preprocessed t055_x.C with reduced t055_test.h

fail 2006.55
fail 2006.56
fail 2006.30