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-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/simplify.c3
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/spread_simplify_1.f9016
4 files changed, 29 insertions, 1 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index f29be83..14e402c 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2019-01-09 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/68426
+ * simplify.c (gfc_simplify_spread): Also simplify if the
+ type of source is an EXPR_STRUCTURE.
+
2019-01-08 Janus Weil <janus@gcc.gnu.org>
PR fortran/88047
diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c
index 90477e5..06b0b87 100644
--- a/gcc/fortran/simplify.c
+++ b/gcc/fortran/simplify.c
@@ -7572,7 +7572,8 @@ gfc_simplify_spread (gfc_expr *source, gfc_expr *dim_expr, gfc_expr *ncopies_exp
return NULL;
}
- if (source->expr_type == EXPR_CONSTANT)
+ if (source->expr_type == EXPR_CONSTANT
+ || source->expr_type == EXPR_STRUCTURE)
{
gcc_assert (dim == 0);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c4fa254..6837373 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-01-09 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/68426
+ * gfortran.dg/spread_simplify_1.f90: New test.
+
2019-01-09 Uroš Bizjak <ubizjak@gmail.com>
* lib/target-supports.exp
diff --git a/gcc/testsuite/gfortran.dg/spread_simplify_1.f90 b/gcc/testsuite/gfortran.dg/spread_simplify_1.f90
new file mode 100644
index 0000000..afc254a
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/spread_simplify_1.f90
@@ -0,0 +1,16 @@
+! { dg-do run }
+! PR 68426 - simplification used to fail.
+ module m
+ implicit none
+ type t
+ integer :: i
+ end type t
+ type(t), dimension(2), parameter :: a1 = (/ t(1), t(2) /)
+ type(t), dimension(1), parameter :: c = spread ( a1(1), 1, 1 )
+ end module m
+
+
+program main
+ use m
+ if (c(1)%i /= 1) stop 1
+end program main