Adjust tests to be clearer about the type that results from a shift expression.

Author: nikomatsakis

src/test/compile-fail/shift-various-bad-types.rs

@@ -33,6 +33,10 @@ fn foo(p: &Panolpy) {
 
     22 >> 1;
     // Integer literal types are OK
+
+    // Type of the result follows the LHS, not the RHS:
+    let _: i32 = 22_i64 >> 1_i32;
+    //~^ ERROR mismatched types: expected `i32`, found `i64`
 }
 
 fn main() {

src/test/run-pass/shift-various-types.rs

@@ -25,17 +25,17 @@ struct Panolpy {
 }
 
 fn foo(p: &Panolpy) {
-    assert_eq!(22 >> p.i8, 11_i8);
-    assert_eq!(22 >> p.i16, 11_i16);
-    assert_eq!(22 >> p.i32, 11_i32);
-    assert_eq!(22 >> p.i64, 11_i64);
-    assert_eq!(22 >> p.isize, 11_is);
+    assert_eq!(22_i32 >> p.i8, 11_i32);
+    assert_eq!(22_i32 >> p.i16, 11_i32);
+    assert_eq!(22_i32 >> p.i32, 11_i32);
+    assert_eq!(22_i32 >> p.i64, 11_i32);
+    assert_eq!(22_i32 >> p.isize, 11_i32);
 
-    assert_eq!(22 >> p.u8, 11_u8);
-    assert_eq!(22 >> p.u16, 11_u16);
-    assert_eq!(22 >> p.u32, 11_u32);
-    assert_eq!(22 >> p.u64, 11_u64);
-    assert_eq!(22 >> p.usize, 11_us);
+    assert_eq!(22_i32 >> p.u8, 11_i32);
+    assert_eq!(22_i32 >> p.u16, 11_i32);
+    assert_eq!(22_i32 >> p.u32, 11_i32);
+    assert_eq!(22_i32 >> p.u64, 11_i32);
+    assert_eq!(22_i32 >> p.usize, 11_i32);
 }
 
 fn main() {