diff options
Diffstat (limited to 'gcc/testsuite/gfortran.fortran-torture/execute/where20.f90')
-rw-r--r-- | gcc/testsuite/gfortran.fortran-torture/execute/where20.f90 | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.fortran-torture/execute/where20.f90 b/gcc/testsuite/gfortran.fortran-torture/execute/where20.f90 new file mode 100644 index 000000000..b0456500d --- /dev/null +++ b/gcc/testsuite/gfortran.fortran-torture/execute/where20.f90 @@ -0,0 +1,54 @@ +! Test the dependency checking in simple where. This +! did not work and was fixed as part of the patch for +! pr24519. +! +program where_20 + integer :: a(4) + integer :: b(3) + integer :: c(3) + integer :: d(3) = (/1, 2, 3/) + equivalence (a(1), b(1)), (a(2), c(1)) + +! This classic case worked before the patch. + a = (/1, 2, 3, 4/) + where (b .gt. 1) a(2:4) = a(1:3) + if (any(a .ne. (/1,2,2,3/))) call abort () + +! This is the original manifestation of the problem +! and is repeated in where_19.f90. + a = (/1, 2, 3, 4/) + where (b .gt. 1) + c = b + endwhere + if (any(a .ne. (/1,2,2,3/))) call abort () + +! Mask to.destination dependency. + a = (/1, 2, 3, 4/) + where (b .gt. 1) + c = d + endwhere + if (any(a .ne. (/1,2,2,3/))) call abort () + +! Source to.destination dependency. + a = (/1, 2, 3, 4/) + where (d .gt. 1) + c = b + endwhere + if (any(a .ne. (/1,2,2,3/))) call abort () + +! Check the simple where. + a = (/1, 2, 3, 4/) + where (b .gt. 1) c = b + if (any(a .ne. (/1,2,2,3/))) call abort () + +! This was OK before the patch. + a = (/1, 2, 3, 4/) + where (b .gt. 1) + where (d .gt. 1) + c = b + end where + endwhere + if (any(a .ne. (/1,2,2,3/))) call abort () + +end program + |