https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50410
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |anlauf at gcc dot gnu.org
--- Comment #40 from anlauf at gcc dot gnu.org ---
(In reply to kargl from comment #39)
> The bug is not fixed. The code from comment #3
>
> % cat a.f90
> type t
> integer g
> end type
> type(t) :: u=t(1)
> data u%g /2/
> end
The patch
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c
index b7c568e90e6..02caf992dfd 100644
--- a/gcc/fortran/trans-expr.c
+++ b/gcc/fortran/trans-expr.c
@@ -8543,7 +8543,7 @@ gfc_conv_structure (gfc_se * se, gfc_expr * expr, int
init)
cm = expr->ts.u.derived->components;
for (c = gfc_constructor_first (expr->value.constructor);
- c; c = gfc_constructor_next (c), cm = cm->next)
+ c && cm; c = gfc_constructor_next (c), cm = cm->next)
{
/* Skip absent members in default initializers and allocatable
components. Although the latter have a default initializer
fixes the ICE, but does not detect the double initialization.
> The code in the first example in comment #9 also causes an ICE.
This one then works and produces the expected error.
> Codes z1.f90, z2.f90, and z3.f90 in comment #23 cause ICEs.
Only z1 ICEs, z2 and z3 produce error messages.
