stdlib: Stop incurring vtable dispatch costs when hashmaps are used

This required changing almost all users of hashmaps to import the hashmap interface first.

The `size` member in the hashmap structure was renamed to `count` to work around a name conflict.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/rustc/lib/llvm.rs b/src/rustc/lib/llvm.rs
index 2dc2945d8de..83b45583a61 100644
--- a/src/rustc/lib/llvm.rs
+++ b/src/rustc/lib/llvm.rs
@@ -1,4 +1,5 @@
 import str::sbuf;
+import std::map::hashmap;
 
 import ctypes::{c_int, c_uint, unsigned, longlong, ulonglong};