[Bug fortran/92174] runtime error: index 15 out of bounds for type 'gfc_expr *[15]

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92174

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to kargl from comment #1)
> (In reply to Martin Liška from comment #0)
> > Happens with UBSAN build in:
> > 
> > $ ./xgcc -B.
> > /home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/pr91802.f90
> > -fcoarray=single
> > ../../gcc/fortran/array.c:867:36: runtime error: index 15 out of bounds for
> > type 'gfc_expr *[15]'
> 
> 
> What are you doing?  pr91802.f90 is a compile time test.
> It cannot generate a runtime error.

It's a runtime error of the GCC compiler that compiles the test-case ;)
The error message is a bit misleading.