gcc/fortran/ChangeLog:
PR fortran/105813
* check.cc (gfc_check_unpack): Try to simplify MASK argument to
UNPACK so that checking of the VECTOR argument can work when MASK
is a variable.
gcc/testsuite/ChangeLog:
PR fortran/105813
* gfortran.dg/unpack_vector_1.f90: New test.
if (!same_type_check (vector, 0, field, 2))
return false;
+ gfc_simplify_expr (mask, 0);
+
if (mask->expr_type == EXPR_ARRAY
&& gfc_array_size (vector, &vector_size))
{
--- /dev/null
+! { dg-do compile }
+! PR fortran/105813
+! Fix checking of VECTOR argument to UNPACK when MASK is a variable.
+! Contributed by G.Steinmetz
+
+program p
+ logical, parameter :: mask(2,2) = reshape ([.true., .true., &
+ .false., .true.], &
+ shape (mask))
+ print *, unpack ([1,2,3], mask, 0) ! OK
+ print *, unpack ([1,2], mask, 0) ! { dg-error "must provide at least" }
+end