[Bug middle-end/68117] [6 Regression] error: invalid PHI argument <<< Unknown tree: <invalid tree code> >>>

[gary at intrepid dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68117

--- Comment #32 from Gary Funck <gary at intrepid dot com> ---
(In reply to Gary Funck from comment #17)
> We're seeing this ICE on x86-64, while building the 32-bit libgfortran.
> We're building the target libraries with -O3 with GCC compiler checks
> enabled.

The recent r230424 commit did *not* fix this regression.  Note that we're
building with CFLAGS_FOR_TARGET='-O3 -g'.