diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/module_equivalence_1.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/module_equivalence_1.f90 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/module_equivalence_1.f90 b/gcc/testsuite/gfortran.dg/module_equivalence_1.f90 new file mode 100644 index 000000000..fecfb89fa --- /dev/null +++ b/gcc/testsuite/gfortran.dg/module_equivalence_1.f90 @@ -0,0 +1,26 @@ +! { dg-do run } +! This tests the fix for PR17917, where equivalences were not being +! written to and read back from modules. +! +! Contributed by Paul Thomas pault@gcc.gnu.org +! +module test_equiv !Bug 17917 + common /my_common/ d + real a(2),b(4),c(4), d(8) + equivalence (a(1),b(2)), (c(1),d(5)) +end module test_equiv + +subroutine foo () + use test_equiv, z=>b + if (any (d(5:8)/=z)) call abort () +end subroutine foo + +program module_equiv + use test_equiv + b = 99.0_4 + a = 999.0_4 + c = (/99.0_4, 999.0_4, 999.0_4, 99.0_4/) + call foo () +end program module_equiv + +! { dg-final { cleanup-modules "test_equiv" } } |