[PATCH 3/5] d3dcompiler: Check for implicit type compatibility in implicit_conversion().

[Matteo Bruni]

On Mon, Mar 2, 2020 at 5:56 AM Zebediah Figura <z.figura12 at gmail.com> wrote:

> @@ -1328,13 +1345,14 @@ struct hlsl_ir_expr *new_expr(enum hlsl_ir_expr_op op, struct hlsl_ir_node **ope
>                      operands[i]->loc.line, operands[i]->loc.col, HLSL_LEVEL_WARNING,
>                      "implicit truncation of vector/matrix type");
>          }
> -        operands[i] = implicit_conversion(operands[i], type, &operands[i]->loc);
> -        if (!operands[i])
> +
> +        if (!(cast = new_cast(operands[i], type, &operands[i]->loc)))
>          {
> -            ERR("Impossible to convert expression operand %u to %s\n", i + 1, debug_hlsl_type(type));
>              d3dcompiler_free(expr);
>              return NULL;
>          }

Again, not something that changed with this patch, it just made me
think. This implicit conversion is unchecked: is it correct to do so?