[Bug fortran/83196] ICE in gfc_build_compare_string, at fortran/trans-expr.c:3609 (and others)

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83196

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-invalid-code
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-11-28
     Ever confirmed|0                           |1

--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Confirmed from 4.8 up to trunk (8.0). My instrumented gfortran gives

../../work/gcc/fortran/trans-expr.c:3627:7: runtime error: member access within
null pointer of type 'union tree_node'