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authorJanus Weil <janus@gcc.gnu.org>2016-11-08 23:07:21 +0100
committerJanus Weil <janus@gcc.gnu.org>2016-11-08 23:07:21 +0100
commit103c4f759ab75305a7cb7927af6b35b1f5da5f06 (patch)
treebca188b5b0956cce33dabe41bbc1bc121c18c073
parentfe7913f6887eaa6f5cdb150bd5315f8464d06beb (diff)
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re PR fortran/68440 ([OOP] ICE on declaring class variable with wrong attribute)
2016-11-08 Janus Weil <janus@gcc.gnu.org> PR fortran/68440 * expr.c (check_alloc_comp_init): Loosen an assert. * resolve.c (resolve_fl_parameter): Reject class parameters. 2016-11-08 Janus Weil <janus@gcc.gnu.org> PR fortran/68440 * gfortran.dg/class_58.f90: New test. From-SVN: r241979
-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/expr.c2
-rw-r--r--gcc/fortran/resolve.c9
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/class_58.f9013
5 files changed, 34 insertions, 1 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index d3c1699..499c3d4 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,5 +1,11 @@
2016-11-08 Janus Weil <janus@gcc.gnu.org>
+ PR fortran/68440
+ * expr.c (check_alloc_comp_init): Loosen an assert.
+ * resolve.c (resolve_fl_parameter): Reject class parameters.
+
+2016-11-08 Janus Weil <janus@gcc.gnu.org>
+
PR fortran/77596
* expr.c (gfc_check_pointer_assign): Add special check for procedure-
pointer component with absent interface.
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index f059c3c..b2ffaae 100644
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -2206,7 +2206,7 @@ check_alloc_comp_init (gfc_expr *e)
gfc_constructor *ctor;
gcc_assert (e->expr_type == EXPR_STRUCTURE);
- gcc_assert (e->ts.type == BT_DERIVED);
+ gcc_assert (e->ts.type == BT_DERIVED || e->ts.type == BT_CLASS);
for (comp = e->ts.u.derived->components,
ctor = gfc_constructor_first (e->value.constructor);
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 3a4dd1f..f4d346e 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -14001,6 +14001,15 @@ resolve_fl_parameter (gfc_symbol *sym)
&sym->value->where);
return false;
}
+
+ /* F03:C509,C514. */
+ if (sym->ts.type == BT_CLASS)
+ {
+ gfc_error ("CLASS variable %qs at %L cannot have the PARAMETER attribute",
+ sym->name, &sym->declared_at);
+ return false;
+ }
+
return true;
}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 05159aa..2b561e8 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-11-08 Janus Weil <janus@gcc.gnu.org>
+
+ PR fortran/68440
+ * gfortran.dg/class_58.f90: New test.
+
2016-11-08 Uros Bizjak <ubizjak@gmail.com>
PR target/70799
diff --git a/gcc/testsuite/gfortran.dg/class_58.f90 b/gcc/testsuite/gfortran.dg/class_58.f90
new file mode 100644
index 0000000..20b601a
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/class_58.f90
@@ -0,0 +1,13 @@
+! { dg-do compile }
+!
+! PR 68440: [OOP] ICE on declaring class variable with wrong attribute
+!
+! Contributed by Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de>
+
+subroutine s
+ type t
+ end type
+ class(t), parameter :: x = t() ! { dg-error "cannot have the PARAMETER attribute" }
+ class(t), parameter :: y = x ! { dg-error "cannot have the PARAMETER attribute" }
+ class(t) :: z = x ! { dg-error "must be dummy, allocatable or pointer" }
+end