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Rollup merge of #36118 - nagisa:windows-has-no-sprint-again, r=brson

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Fix the test_variadic_ptr fn on printf-less sys

Fixes #36076
This commit is contained in:
Jonathan Turner 2016-08-31 13:53:35 -07:00 committed by GitHub
commit 6e045cc2be
1 changed files with 8 additions and 4 deletions
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12
src/libcoretest/ptr.rs
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@ -173,12 +173,16 @@ fn test_unsized_unique() {
} }
#[test] #[test]
fn test_variadic_fnptr() { #[allow(warnings)]
// Have a symbol for the test below. It doesn’t need to be an actual variadic function, match the
// ABI, or even point to an actual executable code, because the function itself is never invoked.
#[no_mangle]
pub fn test_variadic_fnptr() {
use core::hash::{Hash, SipHasher}; use core::hash::{Hash, SipHasher};
extern "C" { extern {
fn printf(_: *const u8, ...); fn test_variadic_fnptr(_: u64, ...) -> f64;
} }
let p: unsafe extern "C" fn(*const u8, ...) = printf; let p: unsafe extern fn(u64, ...) -> f64 = test_variadic_fnptr;
let q = p.clone(); let q = p.clone();
assert_eq!(p, q); assert_eq!(p, q);
assert!(!(p < q)); assert!(!(p < q));