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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gfortran.dg/pointer_remapping_3.f08
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+! { 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