libstd: Don't make task-local GC data when creating TCP streams.

This exposed an ICE in a test; it's commented out for now.

2 files changed, 19 insertions, 11 deletions

diff --git a/src/libcore/io.rs b/src/libcore/io.rs
index 452aae49984..3855f4feb75 100644
--- a/src/libcore/io.rs
+++ b/src/libcore/io.rs
@@ -43,7 +43,12 @@ trait Reader {
 
 // Generic utility functions defined on readers
 
-impl Reader {
+trait ReaderUtil {
+    fn read_bytes(len: uint) -> ~[u8];
+    fn read_line() -> ~str;
+}
+
+impl<T: Reader> T : ReaderUtil {
     fn read_bytes(len: uint) -> ~[u8] {
         let mut buf = ~[mut];
         vec::reserve(buf, len);
@@ -54,6 +59,18 @@ impl Reader {
         unsafe { vec::unsafe::set_len(buf, count); }
         vec::from_mut(buf)
     }
+    fn read_line() -> ~str {
+        let mut buf = ~[];
+        loop {
+            let ch = self.read_byte();
+            if ch == -1 || ch == 10 { break; }
+            vec::push(buf, ch as u8);
+        }
+        str::from_bytes(buf)
+    }
+}
+
+impl Reader {
     fn read_chars(n: uint) -> ~[char] {
         // returns the (consumed offset, n_req), appends characters to &chars
         fn chars_from_buf(buf: ~[u8], &chars: ~[char]) -> (uint, uint) {
@@ -122,16 +139,6 @@ impl Reader {
         return c[0];
     }
 
-    fn read_line() -> ~str {
-        let mut buf = ~[];
-        loop {
-            let ch = self.read_byte();
-            if ch == -1 || ch == 10 { break; }
-            vec::push(buf, ch as u8);
-        }
-        str::from_bytes(buf)
-    }
-
     fn read_c_str() -> ~str {
         let mut buf: ~[u8] = ~[];
         loop {
diff --git a/src/libcore/run.rs b/src/libcore/run.rs
index 977119c0a56..0dba035e7b4 100644
--- a/src/libcore/run.rs
+++ b/src/libcore/run.rs
@@ -5,6 +5,7 @@
 //! Process spawning
 import option::{some, none};
 import libc::{pid_t, c_void, c_int};
+import io::ReaderUtil;
 
 export Program;
 export run_program;