test: Enable more tests

src/test/compile-fail/writing-to-immutable-rec.rs

@@ -1,7 +1,4 @@
-// xfail-stage0
-// xfail-stage1
-// xfail-stage2
-// error-pattern: writing to immutable type
+// error-pattern: assignment to immutable field
 fn main() {
   let rec(int x) r = rec(x=1);
   r.x = 6;

src/test/compile-fail/writing-to-immutable-tup.rs

@@ -1,7 +1,4 @@
-// xfail-stage0
-// xfail-stage1
-// xfail-stage2
-// error-pattern: writing to immutable type
+// error-pattern: assignment to immutable field
 fn main() {
   let tup(int) t = tup(1);
   t._0 = 5;

src/test/run-fail/linked-failure.rs

@@ -1,6 +1,3 @@
-// xfail-stage0
-// xfail-stage1
-// xfail-stage2
 // -*- rust -*-
 
 // error-pattern:1 == 2

src/test/run-pass/basic-1.rs

@@ -1,6 +1,4 @@
 // xfail-stage0
-// xfail-stage1
-// xfail-stage2
 // -*- rust -*-
 
 fn a(chan[int] c) {

src/test/run-pass/basic-2.rs

@@ -1,6 +1,4 @@
 // xfail-stage0
-// xfail-stage1
-// xfail-stage2
 // -*- rust -*-
 
 fn a(chan[int] c) {

src/test/run-pass/basic.rs

@@ -1,6 +1,4 @@
 // xfail-stage0
-// xfail-stage1
-// xfail-stage2
 // -*- rust -*-
 
 fn a(chan[int] c) {

src/test/run-pass/child-outlives-parent.rs

@@ -2,8 +2,6 @@
 
 
 // xfail-stage0
-// xfail-stage1
-// xfail-stage2
 // Reported as issue #126, child leaks the string.
 fn child2(str s) { }
 

src/test/run-pass/comm.rs

@@ -1,6 +1,4 @@
 // xfail-stage0
-// xfail-stage1
-// xfail-stage2
 // -*- rust -*-
 
 fn main() {

src/test/run-pass/lazychan.rs

@@ -1,6 +1,4 @@
 // xfail-stage0
-// xfail-stage1
-// xfail-stage2
 // -*- rust -*-
 
 fn main() {

src/test/run-pass/spawn-types.rs

@@ -5,9 +5,6 @@
  */
 
 // xfail-stage0
-// xfail-stage1
-// xfail-stage2
-// xfail-stage3
 
 use std;
 

src/test/run-pass/task-comm-0.rs

@@ -1,6 +1,4 @@
 // xfail-stage0
-// xfail-stage1
-// xfail-stage2
 fn main() -> () {
     test05();
 }

src/test/run-pass/task-life-0.rs

@@ -1,6 +1,4 @@
 // xfail-stage0
-// xfail-stage1
-// xfail-stage2
 fn main() -> () {
     spawn child("Hello");
 }