[Bug fortran/83092] ICE in gfc_apply_init, at fortran/expr.c:4228

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83092

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-11-21
     Ever confirmed|0                           |1

--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Confirmed from 4.4 up to trunk (8.0) for the first three tests, although the
error changed from

f951: internal compiler error: in build_struct, at fortran/decl.c:(1605|1606)

for 4.5 up tp 4.9 (the line numbers being for 4.9) to

f951: internal compiler error: in gfc_apply_init, at fortran/expr.c:(4227|4228)

for 5 up to trunk (the line numbers being for 8.0).

The ICE for the last test looks like a regression: 4.9 and before gives an
error

pr83092_3.f90:4.22:

      character :: c = t()
                      1
Error: No initializer for component 'a' given in the structure constructor at
(1)!

while 5 up to trunk gives an ICE. My instrumented gfortran gives

../../work/gcc/fortran/expr.c:4241:48: runtime error: load of value 52, which
is not a valid value for type 'bool'

for all the tests and

../../work/gcc/fortran/expr.c:4246:15: runtime error: member access within null
pointer of type 'struct gfc_expr'

for the last one.