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authorJanus Weil <janus@gcc.gnu.org>2017-04-10 22:28:23 +0200
committerJanus Weil <janus@gcc.gnu.org>2017-04-10 22:28:23 +0200
commit99827b5ca0ce4582940da66a23f737b70d0d8c41 (patch)
tree270682d2c8dbde4b0726232fdb17efeb4db4899c /gcc/fortran/expr.c
parent7db31bc20ca5d2ff60f1dd65387f600a8a3130cf (diff)
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re PR fortran/80046 ([F03] Explicit interface required: pointer argument)
2017-04-10 Janus Weil <janus@gcc.gnu.org> PR fortran/80046 * expr.c (gfc_check_pointer_assign): Check if procedure pointer components in a pointer assignment need an explicit interface. 2017-04-10 Janus Weil <janus@gcc.gnu.org> PR fortran/80046 * gfortran.dg/proc_ptr_comp_48.f90: New test case. From-SVN: r246823
Diffstat (limited to 'gcc/fortran/expr.c')
-rw-r--r--gcc/fortran/expr.c42
1 files changed, 29 insertions, 13 deletions
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index 0e5f04d..c8be951 100644
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -3595,25 +3595,41 @@ gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue)
return false;
}
- if (s1 == s2 || !s1 || !s2)
- return true;
-
/* F08:7.2.2.4 (4) */
- if (s1->attr.if_source == IFSRC_UNKNOWN
- && gfc_explicit_interface_required (s2, err, sizeof(err)))
+ if (s2 && gfc_explicit_interface_required (s2, err, sizeof(err)))
{
- gfc_error ("Explicit interface required for %qs at %L: %s",
- s1->name, &lvalue->where, err);
- return false;
+ if (comp1 && !s1)
+ {
+ gfc_error ("Explicit interface required for component %qs at %L: %s",
+ comp1->name, &lvalue->where, err);
+ return false;
+ }
+ else if (s1->attr.if_source == IFSRC_UNKNOWN)
+ {
+ gfc_error ("Explicit interface required for %qs at %L: %s",
+ s1->name, &lvalue->where, err);
+ return false;
+ }
}
- if (s2->attr.if_source == IFSRC_UNKNOWN
- && gfc_explicit_interface_required (s1, err, sizeof(err)))
+ if (s1 && gfc_explicit_interface_required (s1, err, sizeof(err)))
{
- gfc_error ("Explicit interface required for %qs at %L: %s",
- s2->name, &rvalue->where, err);
- return false;
+ if (comp2 && !s2)
+ {
+ gfc_error ("Explicit interface required for component %qs at %L: %s",
+ comp2->name, &rvalue->where, err);
+ return false;
+ }
+ else if (s2->attr.if_source == IFSRC_UNKNOWN)
+ {
+ gfc_error ("Explicit interface required for %qs at %L: %s",
+ s2->name, &rvalue->where, err);
+ return false;
+ }
}
+ if (s1 == s2 || !s1 || !s2)
+ return true;
+
if (!gfc_compare_interfaces (s1, s2, name, 0, 1,
err, sizeof(err), NULL, NULL))
{