+2008-10-05 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/35680
+ * gfortran.h : Add 'error' bit field to gfc_expr structure.
+ * expr.c (check_inquiry): When checking a restricted expression
+ check that arguments are either variables or restricted.
+ (check_restricted): Do not emit error if the expression has
+ 'error' set. Clean up detection of host-associated variable.
+
2008-10-05 Daniel Kraft <d@domob.eu>
PR fortran/37638
return MATCH_YES;
}
+static gfc_try check_restricted (gfc_expr *);
+
/* F95, 7.1.6.1, Initialization expressions, (7)
F2003, 7.1.7 Initialization expression, (8) */
}
else if (not_restricted && check_init_expr (ap->expr) == FAILURE)
return MATCH_ERROR;
+
+ if (not_restricted == 0
+ && ap->expr->expr_type != EXPR_VARIABLE
+ && check_restricted (ap->expr) == FAILURE)
+ return MATCH_ERROR;
}
return MATCH_YES;
}
-static gfc_try check_restricted (gfc_expr *);
-
/* Given an actual argument list, test to see that each argument is a
restricted expression and optionally if the expression type is
integer or character. */
that host associated dummy array indices are accepted (PR23446).
This mechanism also does the same for the specification expressions
of array-valued functions. */
- if (sym->attr.in_common
- || sym->attr.use_assoc
- || sym->attr.dummy
- || sym->attr.implied_index
- || sym->ns != gfc_current_ns
- || (sym->ns->proc_name != NULL
- && sym->ns->proc_name->attr.flavor == FL_MODULE)
- || (gfc_is_formal_arg () && (sym->ns == gfc_current_ns)))
+ if (e->error
+ || sym->attr.in_common
+ || sym->attr.use_assoc
+ || sym->attr.dummy
+ || sym->attr.implied_index
+ || (sym->ns && sym->ns == gfc_current_ns->parent)
+ || (sym->ns && gfc_current_ns->parent
+ && sym->ns == gfc_current_ns->parent->parent)
+ || (sym->ns->proc_name != NULL
+ && sym->ns->proc_name->attr.flavor == FL_MODULE)
+ || (gfc_is_formal_arg () && (sym->ns == gfc_current_ns)))
{
t = SUCCESS;
break;
gfc_error ("Variable '%s' cannot appear in the expression at %L",
sym->name, &e->where);
-
+ /* Prevent a repetition of the error. */
+ e->error = 1;
break;
case EXPR_NULL:
unsigned function:1, subroutine:1, procedure:1;
unsigned generic:1, generic_copy:1;
unsigned implicit_type:1; /* Type defined via implicit rules. */
- unsigned untyped:1; /* No implicit type could be found. */
+ unsigned untyped:1; /* No implicit type could be found. */
- unsigned is_bind_c:1; /* say if is bound to C */
- unsigned extension:1; /* extends a derived type */
+ unsigned is_bind_c:1; /* say if is bound to C. */
+ unsigned extension:1; /* extends a derived type. */
/* These flags are both in the typespec and attribute. The attribute
list is what gets read from/written to a module file. The typespec
and if we have decided not to allocate temporary data for that array. */
unsigned int inline_noncopying_intrinsic : 1, is_boz : 1;
+ /* Sometimes, when an error has been emitted, it is necessary to prevent
+ it from recurring. */
+ unsigned int error : 1;
+
/* Used to quickly find a given constructor by its offset. */
splay_tree con_by_offset;
+2008-10-05 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/35680
+ * gfortran.dg/transfer_array_intrinsic_5.f90: New test.
+
2008-10-05 Daniel Kraft <d@domob.eu>
PR fortran/37638
--- /dev/null
+! { dg-do compile }
+! PR35680 - used to ICE because the argument of SIZE, being in a restricted
+! expression, was not checked if it too is restricted or is a variable. Since
+! it is neither, an error should be produced.
+!
+! Contributed by Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+!
+program main
+ print *, foo (), bar (), foobar ()
+contains
+ function foo ()
+ integer foo(size (transfer (x, [1]))) ! { dg-error "cannot appear" }
+ real x
+ end function
+ function bar()
+ real x
+ integer bar(size (transfer (x, [1]))) ! { dg-error "cannot appear" }
+ end function
+ function foobar() ! { dg-error "no IMPLICIT" }
+ implicit none
+ integer foobar(size (transfer (x, [1]))) ! { dg-error "used before" }
+ real x
+ end function
+end program