Use 128 instead of 64 bits for DefPath hashes

[rust.git] / src / librustc / ty / sty.rs

diff --git a/src/librustc/ty/sty.rs b/src/librustc/ty/sty.rs
index cfbf1244db3ad70202effe2891a277185b44150f..348d164af4190af2d12ba7592cdfb06bf8b8b0c7 100644 (file)
--- a/src/librustc/ty/sty.rs
+++ b/src/librustc/ty/sty.rs
@@ -29,6 +29,7 @@
 use serialize;
 
 use hir;
+use ich;
 
 use self::InferTy::*;
 use self::TypeVariants::*;
@@ -849,7 +850,7 @@ pub fn item_name(&self) -> Name {
         self.item_name // safe to skip the binder to access a name
     }
 
-    pub fn sort_key(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> (u64, InternedString) {
+    pub fn sort_key(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> (ich::Fingerprint, InternedString) {
         // We want something here that is stable across crate boundaries.
         // The DefId isn't but the `deterministic_hash` of the corresponding
         // DefPath is.
@@ -884,7 +885,7 @@ pub fn item_name(&self) -> Name {
         self.skip_binder().item_name()
     }
 
-    pub fn sort_key(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> (u64, InternedString) {
+    pub fn sort_key(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> (ich::Fingerprint, InternedString) {
         self.skip_binder().sort_key(tcx)
     }