gcc/testsuite/gfortran.dg/g77/19990218-1.f

   1 c { dg-do compile }
   2 c
   3 c  g77 used to warn for this case
   4 c 19990218-1.f: In program `test':
   5 c 19990218-1.f:13:
   6 c             double precision function fun(a,b)
   7 c                                       1
   8 c  19990218-1.f:23: (continued):
   9 c             c=fun(a,b)
  10 c               2
  11 c  Global name `fun' at (2) has different type at (1) [info -f g77 M GLOBALS]
  12 c
  13         double precision function fun(a,b)
  14         double precision a,b
  15         print*,'in sub: a,b=',a,b
  16         fun=a*b
  17         print*,'in sub: fun=',fun
  18         return
  19         end
  20         program test
  21         double precision a,b,c
  22         data a,b/1.0d-46,1.0d0/
  23         c=fun(a,b) ! { dg-error "Return type mismatch of function" }
  24         print*,'in main: fun=',c
  25         end