Auto merge of #1453 - RalfJung:rustup, r=RalfJung

bump Rust

rust-version

@@ -1 +1 @@
-ff4a2533a0720f9cdd86e02eafa3725f07aa7752
+033013cab3a861224fd55f494c8be1cb0349eb49

tests/compile-fail/invalid_enum_tag.rs

@@ -2,7 +2,7 @@
 // Make sure we find these even with many checks disabled.
 // compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation
 
-// error-pattern: enum value has invalid discriminant: 0x0000002a
+// error-pattern: enum value has invalid tag: 0x0000002a
 
 use std::mem;
 

tests/compile-fail/validity/invalid_enum_tag.rs

@@ -4,5 +4,5 @@ pub enum Foo {
 }
 
 fn main() {
-    let _f = unsafe { std::mem::transmute::<i32, Foo>(42) }; //~ ERROR encountered 0x0000002a, but expected a valid enum discriminant
+    let _f = unsafe { std::mem::transmute::<i32, Foo>(42) }; //~ ERROR encountered 0x0000002a, but expected a valid enum tag
 }

tests/compile-fail/validity/transmute_through_ptr.rs

@@ -3,12 +3,12 @@ enum Bool { True }
 
 fn evil(x: &mut Bool) {
     let x = x as *mut _ as *mut u32;
-    unsafe { *x = 44; } // out-of-bounds enum discriminant
+    unsafe { *x = 44; } // out-of-bounds enum tag
 }
 
 fn main() {
     let mut x = Bool::True;
     evil(&mut x);
     let _y = x; // reading this ought to be enough to trigger validation
-    //~^ ERROR encountered 0x0000002c, but expected a valid enum discriminant
+    //~^ ERROR encountered 0x0000002c, but expected a valid enum tag
 }

tests/run-pass/panic/catch_panic.rs

@@ -1,5 +1,5 @@
 // ignore-windows: Unwind panicking does not currently work on Windows
-// normalize-stderr-test "[^ ]*libcore/(macros|mem)/mod.rs[0-9:]*" -> "$$LOC"
+// normalize-stderr-test "[^ ]*libcore/[a-z/]+.rs[0-9:]*" -> "$$LOC"
 #![feature(never_type)]
 #![allow(unconditional_panic)]
 use std::panic::{catch_unwind, AssertUnwindSafe};
@@ -75,7 +75,7 @@ fn main() {
     // Assertion and debug assertion
     test(None, |_old_val| { assert!(false); loop {} });
     test(None, |_old_val| { debug_assert!(false); loop {} });
-    test(None, |_old_val| { unsafe { (1 as *const i32).read() }; loop {} }); // trigger debug-assertion in libstd
+    test(None, |_old_val| { unsafe { std::char::from_u32_unchecked(0xFD10000); } loop {} }); // trigger debug-assertion in libstd
 
     eprintln!("Success!"); // Make sure we get this in stderr
 }

tests/run-pass/panic/catch_panic.stderr

@@ -22,6 +22,6 @@ thread 'main' panicked at 'assertion failed: false', $DIR/catch_panic.rs:76:29
 Caught panic message (&str): assertion failed: false
 thread 'main' panicked at 'assertion failed: false', $DIR/catch_panic.rs:77:29
 Caught panic message (&str): assertion failed: false
-thread 'main' panicked at 'attempt to copy from unaligned or null pointer', $LOC
+thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', $LOC
-Caught panic message (String): attempt to copy from unaligned or null pointer
+Caught panic message (String): called `Option::unwrap()` on a `None` value
 Success!

tests/run-pass/specialization.rs

@@ -1,3 +1,4 @@
+#![allow(incomplete_features)]
 #![feature(specialization)]
 
 trait IsUnit {