I'm really looking forward to conditional expressions because I like
using them in other languages. So I built a gfortran from the trunk a
few days ago to test the mod.
Here is a simple test case that compiles, but SEGVs at run-time:
program cond_expr
implicit none
! Segv at run time
print *, (.true.?1:0)
end program
$ gfortran --version
GNU Fortran (GCC) 16.0.0 20250916 (experimental)
Copyright (C) 2025 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ gfortran -g condexpr.f90
$ ./a.out
Program received signal SIGSEGV: Segmentation fault - invalid memory
reference.
Backtrace for this error:
#0 0x7f4a7215ed11 in ???
#1 0x7f4a7215dee5 in ???
#2 0x7f4a71e2508f in ???
at
/build/glibc-B3wQXB/glibc-2.31/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
#3 0x7f4a723abbe0 in ???
#4 0x7f4a723acdc4 in ???
#5 0x7f4a723b0f7b in ???
#6 0x7f4a723b1ef6 in ???
#7 0x4011c1 in cond_expr
at /home/wws/computer/fortran/tests/condexpr.f90:5
#8 0x401207 in main
at /home/wws/computer/fortran/tests/condexpr.f90:7
Segmentation fault (core dumped)
$
Walter
