Add tests and fix pexp bug. Closes rust-lang#141.

Author: graydon

src/Makefile

@@ -381,11 +381,13 @@ TASK_XFAILS := test/run-pass/acyclic-unwind.rs \
                test/run-pass/task-comm-9.rs \
                test/run-pass/task-comm.rs \
                test/run-pass/threads.rs \
-               test/run-pass/yield.rs 
+               test/run-pass/yield.rs
 
 TEST_XFAILS_X86 :=  $(TASK_XFAILS) \
                     test/run-pass/bind-obj-ctor.rs \
+                    test/run-pass/child-outlives-parent.rs \
                     test/run-pass/clone-with-exterior.rs \
+                    test/run-pass/constrained-type.rs \
                     test/run-pass/obj-as.rs \
                     test/run-pass/vec-slice.rs \
                     test/run-pass/fn-lval.rs \
@@ -424,10 +426,12 @@ TEST_XFAILS_LLVM := $(TASK_XFAILS) \
                       box-in-tup.rs \
                       box-unbox.rs \
                       cast.rs \
+                      child-outlives-parent.rs \
                       clone-with-exterior.rs \
                       comm.rs \
                       command-line-args.rs \
                       complex.rs \
+                      constrained-type.rs \
                       deep.rs \
                       deref.rs \
                       destructor-ordering.rs \

src/boot/fe/pexp.ml

@@ -121,7 +121,7 @@ and parse_carg_base (ps:pstate) : Ast.carg_base =
 
 and parse_carg (ps:pstate) : Ast.carg =
   match peek ps with
-      IDENT _ ->
+      IDENT _ | STAR ->
         begin
           let base = Ast.CARG_base (parse_carg_base ps) in
           let path =

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

@@ -0,0 +1,8 @@
+// Reported as issue #126, child leaks the string.
+
+fn child2(str s) {
+}
+
+fn main() {
+  auto x = spawn child2("hi");
+}

src/test/run-pass/constrained-type.rs

@@ -0,0 +1,14 @@
+// -*- rust -*-
+
+// Reported as issue #141, as a parse error. Ought to work in full though.
+
+type list = tag(cons(int,@list), nil());
+type bubu = rec(int x, int y);
+
+
+fn less_than(int x, int y) -> bool { ret x < y; }
+
+type ordered_range = rec(int low, int high) : less_than(*.low, *.high);
+
+fn main() {
+}