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authorJanus Weil <janus@gcc.gnu.org>2009-07-04 14:28:43 +0200
committerJanus Weil <janus@gcc.gnu.org>2009-07-04 14:28:43 +0200
commita7c0b11d97006d41facce468923d7ca80a853b6c (patch)
treec43ddb5d7d47d313a9915996d986aa2ca0533755 /gcc/fortran
parent8d74e57440d6438928d581a52391e0cc302948e7 (diff)
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re PR fortran/40593 (Proc-pointer returning function as actual argument)
2009-07-04 Janus Weil <janus@gcc.gnu.org> PR fortran/40593 * interface.c (compare_actual_formal): Take care of proc-pointer-valued functions as actual arguments. * trans-expr.c (gfc_conv_procedure_call): Ditto. * resolve.c (resolve_specific_f0): Use the correct ts. 2009-07-04 Janus Weil <janus@gcc.gnu.org> PR fortran/40593 * gfortran.dg/proc_ptr_result_6.f90: New. From-SVN: r149227
Diffstat (limited to 'gcc/fortran')
-rw-r--r--gcc/fortran/ChangeLog8
-rw-r--r--gcc/fortran/interface.c5
-rw-r--r--gcc/fortran/resolve.c5
-rw-r--r--gcc/fortran/trans-expr.c9
4 files changed, 25 insertions, 2 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 59ae427..c109345 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,11 @@
+2009-07-04 Janus Weil <janus@gcc.gnu.org>
+
+ PR fortran/40593
+ * interface.c (compare_actual_formal): Take care of proc-pointer-valued
+ functions as actual arguments.
+ * trans-expr.c (gfc_conv_procedure_call): Ditto.
+ * resolve.c (resolve_specific_f0): Use the correct ts.
+
2009-07-02 Michael Matz <matz@suse.de>
PR fortran/32131
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c
index c03c06e..ca500f5 100644
--- a/gcc/fortran/interface.c
+++ b/gcc/fortran/interface.c
@@ -1911,7 +1911,10 @@ compare_actual_formal (gfc_actual_arglist **ap, gfc_formal_arglist *formal,
/* Satisfy 12.4.1.3 by ensuring that a procedure pointer actual argument
is provided for a procedure pointer formal argument. */
if (f->sym->attr.proc_pointer
- && !(a->expr->symtree->n.sym->attr.proc_pointer
+ && !((a->expr->expr_type == EXPR_VARIABLE
+ && a->expr->symtree->n.sym->attr.proc_pointer)
+ || (a->expr->expr_type == EXPR_FUNCTION
+ && a->expr->symtree->n.sym->result->attr.proc_pointer)
|| is_proc_ptr_comp (a->expr, NULL)))
{
if (where)
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 697c1ab..c106948 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -1828,7 +1828,10 @@ resolve_specific_f0 (gfc_symbol *sym, gfc_expr *expr)
found:
gfc_procedure_use (sym, &expr->value.function.actual, &expr->where);
- expr->ts = sym->ts;
+ if (sym->result)
+ expr->ts = sym->result->ts;
+ else
+ expr->ts = sym->ts;
expr->value.function.name = sym->name;
expr->value.function.esym = sym;
if (sym->as != NULL)
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c
index 19ac139..e872f22 100644
--- a/gcc/fortran/trans-expr.c
+++ b/gcc/fortran/trans-expr.c
@@ -2640,6 +2640,15 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym,
gfc_conv_expr (&parmse, e);
parmse.expr = gfc_build_addr_expr (NULL_TREE, parmse.expr);
}
+ else if (e->expr_type == EXPR_FUNCTION
+ && e->symtree->n.sym->result
+ && e->symtree->n.sym->result->attr.proc_pointer)
+ {
+ /* Functions returning procedure pointers. */
+ gfc_conv_expr (&parmse, e);
+ if (fsym && fsym->attr.proc_pointer)
+ parmse.expr = gfc_build_addr_expr (NULL_TREE, parmse.expr);
+ }
else
{
gfc_conv_expr_reference (&parmse, e);