gcc/testsuite/gfortran.dg/warn_conversion_3.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-Wconversion -Wconversion-extra" }
   3 ! PR 47659 - warning about conversions on assignment
   4 ! Based on a test case by Thomas Henlich
   5 program main
   6   double precision d1, d2
   7   complex(8), parameter :: z = cmplx (0.5, 0.5)  ! { dg-warning "Conversion" }
   8   real :: r1, r2
   9   r1 = 2.3d0 ! { dg-warning "Change of value in conversion" }
  10   r2 = 2.5d0 ! No warning because the value does not change
  11   d1 = .13 ! { dg-warning "Conversion" }
  12   d2 = .13d0
  13   d1 = z     ! { dg-warning "change of value in conversion" }
  14 end program main