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-rw-r--r--gcc/fortran/expr.c30
1 files changed, 24 insertions, 6 deletions
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index 89ec1c5..3010dd9 100644
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -3506,7 +3506,11 @@ gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue)
if (comp)
s1 = comp->ts.interface;
else
- s1 = lvalue->symtree->n.sym;
+ {
+ s1 = lvalue->symtree->n.sym;
+ if (s1->ts.interface)
+ s1 = s1->ts.interface;
+ }
comp = gfc_get_proc_ptr_comp (rvalue);
if (comp)
@@ -3514,7 +3518,7 @@ gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue)
if (rvalue->expr_type == EXPR_FUNCTION)
{
s2 = comp->ts.interface->result;
- name = comp->ts.interface->result->name;
+ name = s2->name;
}
else
{
@@ -3525,16 +3529,30 @@ gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue)
else if (rvalue->expr_type == EXPR_FUNCTION)
{
s2 = rvalue->symtree->n.sym->result;
- name = rvalue->symtree->n.sym->result->name;
+ name = s2->name;
}
else
{
s2 = rvalue->symtree->n.sym;
- name = rvalue->symtree->n.sym->name;
+ name = s2->name;
+ }
+
+ if (s2->attr.proc_pointer && s2->ts.interface)
+ s2 = s2->ts.interface;
+
+ if (s1 == s2 || !s1 || !s2)
+ return SUCCESS;
+
+ if (!gfc_compare_interfaces (s1, s2, name, 0, 1,
+ err, sizeof(err), NULL, NULL))
+ {
+ gfc_error ("Interface mismatch in procedure pointer assignment "
+ "at %L: %s", &rvalue->where, err);
+ return FAILURE;
}
- if (s1 && s2 && !gfc_compare_interfaces (s1, s2, name, 0, 1,
- err, sizeof(err), NULL, NULL))
+ if (!gfc_compare_interfaces (s2, s1, name, 0, 1,
+ err, sizeof(err), NULL, NULL))
{
gfc_error ("Interface mismatch in procedure pointer assignment "
"at %L: %s", &rvalue->where, err);