move hair::cx::pattern to const_eval

Author: arielb1

src/Cargo.lock

@@ -14,6 +14,7 @@ serialize = { path = "../libserialize" }
 rustc = { path = "../librustc" }
 rustc_back = { path = "../librustc_back" }
 rustc_const_math = { path = "../librustc_const_math" }
+rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_errors = { path = "../librustc_errors" }
 syntax = { path = "../libsyntax" }
 graphviz = { path = "../libgraphviz" }

src/librustc_const_eval/Cargo.toml

@@ -36,6 +36,7 @@
 #[macro_use] extern crate rustc;
 extern crate rustc_back;
 extern crate rustc_const_math;
+extern crate rustc_data_structures;
 extern crate rustc_errors;
 extern crate graphviz;
 extern crate syntax_pos;
@@ -47,6 +48,7 @@ pub mod diagnostics;
 
 mod eval;
 pub mod check_match;
+pub mod pattern;
 
 pub use eval::*;