StructInit

    pub const StructInit = struct {
        /// If this is an anonymous initialization (the operand is poison), this instruction becomes the owner of a type.
        /// To resolve source locations, we need an absolute source node.
        abs_node: Ast.Node.Index,
        src_line: u32,
        src_column: u32,
        fields_len: u32,

        pub const Item = struct {
            /// The `struct_init_field_type` ZIR instruction for this field init.
            field_type: Index,
            /// The field init expression to be used as the field value. This value will be coerced
            /// to the field type if not already.
            init: Ref,
        };
    }