XFAIL some tests in stage 0

src/test/compile-fail/macro-2.rs

@@ -1,3 +1,4 @@
+// xfail-stage0
 //error-pattern:expanded as an identifier
 fn main() {
   #macro([#mylambda(x, body), {fn f(int x) -> int {ret body}; f}]);

src/test/compile-fail/macro.rs

@@ -1,3 +1,4 @@
+// xfail-stage0
 //error-pattern:no clauses match
 
 fn main() {

src/test/run-pass/binops.rs

@@ -1,3 +1,5 @@
+// xfail-stage0
+
 // Binop corner cases
 
 fn test_nil() {

src/test/run-pass/box-pattern.rs

@@ -1,3 +1,5 @@
+// xfail-stage0
+
 type foo = rec(int a, uint b);
 tag bar {
     u(@foo);

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

@@ -1,3 +1,5 @@
+// xfail-stage0
+
 fn main() {
   #macro([#mylambda(x,body), {fn f(int x) -> int { ret body }; f}]);
 

src/test/run-pass/macro-3.rs

@@ -1,3 +1,5 @@
+// xfail-stage0
+
 fn main() {
   #macro([#trivial(), 1*2*4*2*1]);
 

src/test/run-pass/macro.rs

@@ -1,3 +1,5 @@
+// xfail-stage0
+
 fn main() {
   #macro([#m1(a), a*4]);
   assert (#m1(2) == 8);

src/test/run-pass/record-pat.rs

@@ -1,3 +1,5 @@
+// xfail-stage0
+
 tag t1 { a(int); b(uint); }
 type t2 = rec(t1 x, int y);
 tag t3 { c(t2, uint); }