| ! { dg-do run } |
| ! { dg-additional-options "-fdump-tree-original" } |
| ! PR fortran/91300 - runtime error message with allocate and errmsg= |
| ! Contributed by zed.three |
| |
| program bigarray_prog |
| use, intrinsic :: iso_c_binding, only: C_INTPTR_T |
| implicit none |
| real(4), dimension(:), allocatable :: array, bigarray |
| integer :: stat1, stat2 |
| character(len=100) :: errmsg1, errmsg2 |
| character(*), parameter :: no_error = "no error" |
| integer(8), parameter :: n1 = huge (1_4) / 3 ! request more than 2GB |
| integer(8), parameter :: n2 = huge (1_C_INTPTR_T) / 4 ! "safe" for 64bit |
| integer(8), parameter :: bignumber = max (n1, n2) |
| |
| stat1 = -1 |
| stat2 = -1 |
| errmsg1 = no_error |
| errmsg2 = no_error |
| allocate (array(1), stat=stat1, errmsg=errmsg1) |
| if (stat1 /= 0 ) stop 1 |
| if (errmsg1 /= no_error) stop 1 |
| |
| ! Obtain stat, errmsg for attempt to allocate an allocated object |
| allocate (array(1), stat=stat1, errmsg=errmsg1) |
| if (stat1 == 0 ) stop 2 |
| if (errmsg1 == no_error) stop 2 |
| |
| ! Try to allocate very large object |
| allocate (bigarray(bignumber), stat=stat2, errmsg=errmsg2) |
| if (stat2 /= 0) then |
| print *, "stat1 =", stat1 |
| print *, "errmsg: ", trim (errmsg1) |
| print *, "stat2 =", stat2 |
| print *, "errmsg: ", trim (errmsg2) |
| ! Ensure different results for stat, errmsg variables (all compilers) |
| if (stat2 == stat1 ) stop 3 |
| if (errmsg2 == no_error .or. errmsg2 == errmsg1) stop 4 |
| |
| ! Finally verify gfortran-specific error messages |
| if (errmsg1 /= "Attempt to allocate an allocated object") stop 5 |
| if (errmsg2 /= "Insufficient virtual memory" ) stop 6 |
| end if |
| |
| end program bigarray_prog |
| |
| ! { dg-final { scan-tree-dump-times "Attempt to allocate an allocated object" 4 "original" } } |
| ! { dg-final { scan-tree-dump-times "Insufficient virtual memory" 4 "original" } } |
