gcc/testsuite/gfortran.dg/read_bang4.f90

   1 ! { dg-do run }
   2 ! PR69651 Usage of unitialized pointer io/list_read.c
   3 ! Note: The uninitialized pointer was not the cause of the problem
   4 !       observed with this test case. This tests the case with UTF-8
   5 !       files. The large string test the realloc use in push_char4 of
   6 !       list_read.c
   7 program test
   8   implicit none
   9   integer :: i, j, k, ios
  10   integer, parameter :: big = 600
  11   real ::  r, s
  12   complex :: c, d
  13   character(kind=4,len=big) :: str1, str2, str3
  14
  15   do i=1,big, 10
  16     do j = 0, 9
  17       k = i + j
  18       str2(k:k) = char(65+j)
  19     end do
  20   end do
  21   i = -5
  22   j = -6
  23   r = -3.14
  24   s = -2.71
  25   c = (-1.1,-2.2)
  26   d = (-3.3,-4.4)
  27   str3 = str2
  28   open(15, status='scratch', encoding="utf-8")
  29   write(15,*) "10  1!2"
  30   write(15,*) "  23.5! 34.5"
  31   write(15,*) "  (67.50,69.25)  (51.25,87.75)!"
  32   write(15,*) "  'abcdefgh!'", " ", str2
  33   rewind(15)
  34   str1 = 4_"candy"
  35   str2 = 4_"peppermint"
  36   read(15,*,iostat=ios) i, j
  37   if (ios.ne.5010) STOP 1
  38   read(15,*,iostat=ios) r, s
  39   if (ios.ne.5010) STOP 2
  40   read(15,*,iostat=ios) c, d
  41   if (ios.ne.5010) STOP 3
  42   read(15,*,iostat=ios) str1, str2
  43   if (ios.ne.0) STOP 4
  44   if (str1.ne.4_"abcdefgh!") STOP 5
  45   if (str2.ne.str3) STOP 6
  46   close(15)
  47 end program