1471d932a9
this makes sure the checks run before typeck (which might use the constant or const function to calculate an array length) and gives prettier error messages in case of for loops and such (since they aren't expanded yet).
42 lines
983 B
Rust
42 lines
983 B
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test that we can't call random fns in a const fn or do other bad things.
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#![feature(const_fn)]
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use std::mem::transmute;
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fn random() -> u32 { 0 }
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const fn sub(x: &u32) -> usize {
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unsafe { transmute(x) } //~ ERROR E0015
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}
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const fn sub1() -> u32 {
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random() //~ ERROR E0015
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}
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static Y: u32 = 0;
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const fn get_Y() -> u32 {
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Y
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//~^ ERROR E0013
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//~| ERROR cannot refer to other statics by value
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}
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const fn get_Y_addr() -> &'static u32 {
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&Y
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//~^ ERROR E0013
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}
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fn main() {
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}
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