bump Rust for exact_div fix

RalfJung · RalfJung · commit 6d8e87111ba4 · 2019-12-03T17:37:42.000+01:00
diff --git a/rust-version b/rust-version
@@ -1 +1 @@
-4787e97475de6be9487e3d9255a9c2d3c0bf9252
+f577b0ef6e637ab7a6095cdfe0b51fa3faf97050
diff --git a/tests/compile-fail/exact_div3.rs b/tests/compile-fail/exact_div3.rs
@@ -1,5 +1,5 @@
 #![feature(core_intrinsics)]
 fn main() {
     // signed divison with a remainder
-    unsafe { std::intrinsics::exact_div(-19i8, 2); } //~ ERROR 237 cannot be divided by 2 without remainder
+    unsafe { std::intrinsics::exact_div(-19i8, 2); } //~ ERROR -19 cannot be divided by 2 without remainder
 }

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	`#![feature(core_intrinsics)]`
`2`	`2`	`fn main() {`
`3`	`3`	`// signed divison with a remainder`
`4`		`- unsafe { std::intrinsics::exact_div(-19i8, 2); } //~ ERROR 237 cannot be divided by 2 without remainder`
	`4`	`+ unsafe { std::intrinsics::exact_div(-19i8, 2); } //~ ERROR -19 cannot be divided by 2 without remainder`
`5`	`5`	`}`