Fixed accidental removal of StableHasher declaration.

diff --git a/src/librustc_codegen_llvm/debuginfo/metadata.rs b/src/librustc_codegen_llvm/debuginfo/metadata.rs
index 4a68ac35deaa0f2222a7f66ccd7e56287fd52308..ae0f6067f476767b4bfed440552ae42abd128e88 100644 (file)
--- a/src/librustc_codegen_llvm/debuginfo/metadata.rs
+++ b/src/librustc_codegen_llvm/debuginfo/metadata.rs
@@ -23,6 +23,7 @@
 use llvm::debuginfo::{DIType, DIFile, DIScope, DIDescriptor,
                       DICompositeType, DILexicalBlock, DIFlags};
 
+use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
 use rustc::hir::CodegenFnAttrFlags;
 use rustc::hir::def::CtorKind;
 use rustc::hir::def_id::{DefId, CrateNum, LOCAL_CRATE};