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Diffstat (limited to 'gcc/testsuite/gfortran.dg/module_equivalence_3.f90')
-rw-r--r-- | gcc/testsuite/gfortran.dg/module_equivalence_3.f90 | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/module_equivalence_3.f90 b/gcc/testsuite/gfortran.dg/module_equivalence_3.f90 new file mode 100644 index 000000000..d646f9740 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/module_equivalence_3.f90 @@ -0,0 +1,38 @@ +! { dg-do run } +! This checks the fix for PR32103 in which not using one member +! of an equivalence group would cause all memory of the equivalence +! to be lost and subsequent incorrect referencing of the remaining +! members. +! +! Contributed by Toon Moene <toon@moene.indiv.nluug.nl> +! +module aap + real :: a(5) = (/1.0,2.0,3.0,4.0,5.0/) + real :: b(3) + real :: d(5) = (/1.0,2.0,3.0,4.0,5.0/) + equivalence (a(3),b(1)) +end module aap + + use aap, only : b + call foo + call bar +! call foobar +contains + subroutine foo + use aap, only : c=>b + if (any(c .ne. b)) call abort () + end subroutine + subroutine bar + use aap, only : a + if (any(a(3:5) .ne. b)) call abort () + end subroutine + +! Make sure that bad things do not happen if we do not USE a or b. + + subroutine foobar + use aap, only : d + if (any(d(3:5) .ne. b)) call abort () + end subroutine +end + +! { dg-final { cleanup-modules "aap" } } |