[Bug fortran/125902] -fc-prototypes incorrect for allocatable arrays and allocatable and assumed length character strings

[Nicholas.BREALEY at 3ds dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125902

--- Comment #4 from Nicholas BREALEY <Nicholas.BREALEY at 3ds dot com> ---
Created attachment 64801
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64801&action=edit
script to build and run the test program

This produces output:

 Hello from Fortran
 Hello, from C! ,    1.0000000000000000        2.0000000000000000       
3.0000000000000000     

Uncomment the line:
/* #include "test_c_prototypes.h" */
in test_c_prototypes_c.c to test when the issue is fixed.