From 5098d35fb1997aa6fd6d7e37d0fd4501a5fe2f9d Mon Sep 17 00:00:00 2001
From: Harald Anlauf <anlauf@gmx.de>
Date: Wed, 16 Dec 2020 17:25:06 +0100
Subject: [PATCH] PR fortran/98284 - ICE in get_array_index
Reject DATA elements with the ALLOCATABLE attribute also when they are
components of a derived type.
gcc/fortran/ChangeLog:
PR fortran/98284
* resolve.c (check_data_variable): Reject DATA elements with the
ALLOCATABLE attribute.
gcc/testsuite/ChangeLog:
PR fortran/98284
* gfortran.dg/pr98284.f90: New test.
---
gcc/fortran/resolve.c | 7 +++++++
gcc/testsuite/gfortran.dg/pr98284.f90 | 12 ++++++++++++
2 files changed, 19 insertions(+)
create mode 100644 gcc/testsuite/gfortran.dg/pr98284.f90
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 327dffbebf20..05a5e43c90b4 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -16169,6 +16169,13 @@ check_data_variable (gfc_data_variable *var, locus *where)
return false;
}
}
+
+ if (ref->type == REF_COMPONENT && ref->u.c.component->attr.allocatable)
+ {
+ gfc_error ("DATA element %qs at %L cannot have the ALLOCATABLE "
+ "attribute", ref->u.c.component->name, &e->where);
+ return false;
+ }
}
if (e->rank == 0 || has_pointer)
diff --git a/gcc/testsuite/gfortran.dg/pr98284.f90 b/gcc/testsuite/gfortran.dg/pr98284.f90
new file mode 100644
index 000000000000..aa4b95c667c2
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr98284.f90
@@ -0,0 +1,12 @@
+! { dg-do compile }
+! PR fortran/98284 - ICE in get_array_index
+
+program p
+ implicit none
+ type t
+ integer, allocatable :: h(:)
+ end type t
+ type(t) :: u
+ integer :: i
+ data (u% h(i),i=1,8) /8*1/ ! { dg-error "cannot have the ALLOCATABLE attribute" }
+end
--
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