The following patch fixes an assign of a valid pointer to
to pointer, but what should have been assigned is NULL;
2018-03-20 Steven G. Kargl <ka...@gcc.gnu.org>
PR fortran/85001
* interface.c (symbol_rank): Remove bogus null pointer check that
crept in when translating a ternary operator into an if-else
constructor.
2018-03-20 Steven G. Kargl <ka...@gcc.gnu.org>
PR fortran/85001
* gfortran.dg/interface_41.f90: New test.
Index: gcc/fortran/interface.c
===================================================================
--- gcc/fortran/interface.c (revision 258646)
+++ gcc/fortran/interface.c (working copy)
@@ -1268,7 +1268,7 @@ symbol_rank (gfc_symbol *sym)
{
gfc_array_spec *as = NULL;
- if (sym->ts.type == BT_CLASS && CLASS_DATA (sym) && CLASS_DATA (sym)->as)
+ if (sym->ts.type == BT_CLASS && CLASS_DATA (sym))
as = CLASS_DATA (sym)->as;
else
as = sym->as;
Index: gcc/testsuite/gfortran.dg/interface_41.f90
===================================================================
--- gcc/testsuite/gfortran.dg/interface_41.f90 (nonexistent)
+++ gcc/testsuite/gfortran.dg/interface_41.f90 (working copy)
@@ -0,0 +1,19 @@
+! { dg-do compile }
+! PR fortran/85001
+! Contributed by Gerhard Steinmetz.
+program p
+ type t
+ end type
+ call s
+contains
+ real function f(x)
+ class(t) :: x
+ dimension :: x(:)
+ f = 1.0
+ end
+ subroutine s
+ type(t) :: x(2)
+ real :: z
+ z = f(x) ! { dg-error "Rank mismatch in argument" }
+ end
+end
--
Steve
