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Diffstat (limited to 'gcc/testsuite/gfortran.dg/dependency_40.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/dependency_40.f90 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/dependency_40.f90 b/gcc/testsuite/gfortran.dg/dependency_40.f90 new file mode 100644 index 000000000..b7bd4f911 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/dependency_40.f90 @@ -0,0 +1,29 @@ +! { dg-do run } +! PR 48955 - missing array temporary when there was both a forward +! and a backward dependency. +! Test case slightly modified from the original one by Kacper Kowalik. +program ala + implicit none + + integer, parameter :: n = 6 + real, dimension(n), parameter :: result = [1.,10.,30.,90.,270., 243.]; + real, dimension(n) :: v0, v1 + character(len=80) :: line1, line2 + + v0 = [1.0, 3.0, 9.0, 27.0, 81.0, 243.0] + v1 = v0 + + v1(2:n-1) = v1(1:n-2) + v1(3:n) + if (any(v1 /= result)) call abort + v1 = v0 + v1(2:n-1) = v0(1:n-2) + v0(3:n) + if (any(v1 /= result)) call abort + + v1 = v0 + v1(2:n-1) = v1(3:n) + v1(1:n-2) + if (any(v1 /= result)) call abort + v1 = v0 + v1(2:n-1) = v0(3:n) + v0(1:n-2) + if (any(v1 /= result)) call abort + +end program ala |