core: Get coretest working

This mostly involved frobbing imports between realstd, realcore, and the core
being test. Some of the imports are a little counterintuitive, but it mainly
focuses around libcore's types not implementing Show while libstd's types
implement Show.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libcore/mem.rs b/src/libcore/mem.rs
index 860304232d4..0bac90064d6 100644
--- a/src/libcore/mem.rs
+++ b/src/libcore/mem.rs
@@ -293,7 +293,7 @@ pub fn drop<T>(_x: T) { }
 mod tests {
     use mem::*;
     use option::{Some,None};
-    use str::StrSlice;
+    use realstd::str::StrAllocating;
 
     #[test]
     fn size_of_basic() {