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Diffstat (limited to 'gcc/testsuite/gfortran.dg/pointer_remapping_3.f08')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/pointer_remapping_3.f08 | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/pointer_remapping_3.f08 b/gcc/testsuite/gfortran.dg/pointer_remapping_3.f08 new file mode 100644 index 000000000..376adb07a --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pointer_remapping_3.f08 @@ -0,0 +1,35 @@ +! { dg-do compile } +! { dg-options "-std=f2008" } + +! PR fortran/29785 +! PR fortran/45016 +! Check for pointer remapping compile-time errors. + +! Contributed by Daniel Kraft, d@domob.eu. + +PROGRAM main + IMPLICIT NONE + INTEGER, TARGET :: arr(12), basem(3, 4) + INTEGER, POINTER :: vec(:), mat(:, :) + + ! Existence of reference elements. + vec(:) => arr ! { dg-error "Lower bound has to be present" } + vec(5:7:1) => arr ! { dg-error "Stride must not be present" } + mat(1:, 2:5) => arr ! { dg-error "Either all or none of the upper bounds" } + mat(2, 6) => arr ! { dg-error "Expected bounds specification" } + + ! This is bound remapping not rank remapping! + mat(1:, 3:) => arr ! { dg-error "Different ranks" } + + ! Invalid remapping target; for non-rank one we already check the F2008 + ! error elsewhere. Here, test that not-contiguous target is disallowed + ! with rank > 1. + mat(1:2, 1:3) => arr(1:12:2) ! This is ok, rank one target. + vec(1:8) => basem(1:3:2, :) ! { dg-error "rank 1 or simply contiguous" } + + ! Target is smaller than pointer. + vec(1:20) => arr ! { dg-error "smaller than size of the pointer" } + vec(1:10) => arr(1:12:2) ! { dg-error "smaller than size of the pointer" } + vec(1:20) => basem(:, :) ! { dg-error "smaller than size of the pointer" } + mat(1:5, 1:5) => arr ! { dg-error "smaller than size of the pointer" } +END PROGRAM main |