[Bug c++/94044] [10 Regression] internal compiler error: in comptypes, at cp/typeck.c:1490 on riscv64-unknown-linux-gnu and arm-eabi

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94044

--- Comment #6 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Still no luck.

I'm at cb99630f254 2020-03-11 | fold undefined pointer offsetting
Configured with 
../../src/configure '--with-mpfr=/data/users/nathans/tools'
'--with-mpc=/data/users/nathans/tools' '--enable-checking=yes'
--disable-multilib --disable-bootstrap '--enable-languages=c,c++,lto'
'--target=arm-eabi'


devvm2772+2:5>./cc1plus -quiet  variadic-sizeof4.C -quiet -mcpu=arm7tdmi -marm
-march=armv4t -std=c++14 -o -
... assembly emitted ...

I'm using a fresh binutils cross toolchain

I understand where the compiler got to from your traceback.  I don't understand
what constructed the trees that got it there!