Test fixes from the rollup

Author: alexcrichton

src/test/compile-fail/asm-src-loc.rs

@@ -12,6 +12,6 @@
 
 fn main() {
     unsafe {
-        asm!("nowayisthisavalidinstruction"); //~ ERROR invalid instruction mnemonic
+        asm!("nowayisthisavalidinstruction"); //~ ERROR invalid instruction
     }
 }

src/test/compile-fail/issue-16465.rs

@@ -17,7 +17,7 @@ struct Foo<T>{
 type FooInt = Foo<int>;
 
 impl Drop for FooInt {
-//~^ ERROR cannot implement a destructor on a structure with type parameters 
+//~^ ERROR cannot implement a destructor on a structure with type parameters
     fn drop(&mut self){}
 }
 

src/test/compile-fail/pat-range-bad-dots.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-test
+
 pub fn main() {
     match 22i {
         0 .. 3 => {} //~ ERROR expected `=>`, found `..`