On Thu, Nov 14, 2024 at 08:58:26PM +0100, Jan Hubicka wrote:
> fortran produces malloc call with signed size instead of unsigned. This
> in turn makes gimple_call_builtin_p to fail type checking and we do not
> treat the call as malloc call.
>
> regtested x86_64-linux, OK?
>
> gcc/fortran/ChangeLog:
>
> * trans-expr.cc (gfc_trans_subcomponent_assign): Convert malloc
> parameter to size_type.
LGTM.
> diff --git a/gcc/fortran/trans-expr.cc b/gcc/fortran/trans-expr.cc
> index ddbb5ecf068..951ac26c4ea 100644
> --- a/gcc/fortran/trans-expr.cc
> +++ b/gcc/fortran/trans-expr.cc
> @@ -9661,6 +9661,7 @@ gfc_trans_subcomponent_assign (tree dest, gfc_component
> * cm,
> gfc_init_se (&se, NULL);
> gfc_conv_expr (&se, expr);
> size = size_of_string_in_bytes (cm->ts.kind, se.string_length);
> + size = fold_convert (size_type_node, size);
> tmp = build_call_expr_loc (input_location,
> builtin_decl_explicit (BUILT_IN_MALLOC),
> 1, size);
Jakub