diff options
Diffstat (limited to 'gcc/fortran/frontend-passes.c')
| -rw-r--r-- | gcc/fortran/frontend-passes.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/fortran/frontend-passes.c b/gcc/fortran/frontend-passes.c index a77afc5..b2d0116 100644 --- a/gcc/fortran/frontend-passes.c +++ b/gcc/fortran/frontend-passes.c @@ -300,7 +300,12 @@ callback_reduction (gfc_expr **e, int *walk_subtrees ATTRIBUTE_UNUSED, c = gfc_constructor_first (arg->value.constructor); - if (c == NULL) + /* Don't do any simplififcation if we have + - no element in the constructor or + - only have a single element in the array which contains an + iterator. */ + + if (c == NULL || (c->iterator != NULL && gfc_constructor_next (c) == NULL)) return 0; res = copy_walk_reduction_arg (c->expr, fn); |