https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95002
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95002
--- Comment #3 from Tobias Burnus ---
As discussed with Joseph on IRC:
* The 'array, 4*len' is one on purpose per C spec
(sizeof for an expression with VLA type is defined to evaluate its argument.)
* g++ might not do this, if so, it is a bug.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95002
--- Comment #4 from Tobias Burnus ---
(In reply to Tobias Burnus from comment #3)
> * Convert should do the folding and leave the fold to gimple folding
Which means that one has to do this kind of folding before handling the
share/map handling f
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95002
--- Comment #2 from Tobias Burnus ---
The "array," is added by c_expr_sizeof_expr:
if (c_vla_type_p (TREE_TYPE (folded_expr)))
{
/* sizeof is evaluated when given a vla (C99 6.5.3.4p2). */
ret.value = build2 (C
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95002
--- Comment #1 from Tobias Burnus ---
Created attachment 48481
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48481&action=edit
PATCH – works but is modifies quite a lot: digest_init, convert_for_assignment,
convert
Working patch – but I w