Fully use miri in trans

src/test/compile-fail/const-eval-overflow2.rs

@@ -0,0 +1,91 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![allow(unused_imports)]
+
+// Note: the relevant lint pass here runs before some of the constant
+// evaluation below (e.g. that performed by trans and llvm), so if you
+// change this warn to a deny, then the compiler will exit before
+// those errors are detected.
+
+#![deny(const_err)]
+
+use std::fmt;
+use std::{i8, i16, i32, i64, isize};
+use std::{u8, u16, u32, u64, usize};
+
+const VALS_I8: (i8,) =
+    (
+     i8::MIN - 1,
+     //~^ ERROR constant evaluation error
+     //~| attempt to subtract with overflow
+     );
+
+const VALS_I16: (i16,) =
+    (
+     i16::MIN - 1,
+     //~^ ERROR constant evaluation error
+     //~| attempt to subtract with overflow
+     );
+
+const VALS_I32: (i32,) =
+    (
+     i32::MIN - 1,
+     //~^ ERROR constant evaluation error
+     //~| attempt to subtract with overflow
+     );
+
+const VALS_I64: (i64,) =
+    (
+     i64::MIN - 1,
+     //~^ ERROR constant evaluation error
+     //~| attempt to subtract with overflow
+     );
+
+const VALS_U8: (u8,) =
+    (
+     u8::MIN - 1,
+     //~^ ERROR constant evaluation error
+     //~| attempt to subtract with overflow
+     );
+
+const VALS_U16: (u16,) = (
+     u16::MIN - 1,
+     //~^ ERROR constant evaluation error
+     //~| attempt to subtract with overflow
+     );
+
+const VALS_U32: (u32,) = (
+     u32::MIN - 1,
+     //~^ ERROR constant evaluation error
+     //~| attempt to subtract with overflow
+     );
+
+const VALS_U64: (u64,) =
+    (
+     u64::MIN - 1,
+     //~^ ERROR constant evaluation error
+     //~| attempt to subtract with overflow
+     );
+
+fn main() {
+    foo(VALS_I8);
+    foo(VALS_I16);
+    foo(VALS_I32);
+    foo(VALS_I64);
+
+    foo(VALS_U8);
+    foo(VALS_U16);
+    foo(VALS_U32);
+    foo(VALS_U64);
+}
+
+fn foo<T>(_: T) {
+}