From b61ad6a96430f82e9724c1831d7402705145750e Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Thu, 19 Dec 2019 22:28:52 +0800
Subject: Use build_for_def

---
 crates/ra_hir_ty/src/infer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'crates/ra_hir_ty')

diff --git a/crates/ra_hir_ty/src/infer.rs b/crates/ra_hir_ty/src/infer.rs
index 14bfdde3d..98baeed6f 100644
--- a/crates/ra_hir_ty/src/infer.rs
+++ b/crates/ra_hir_ty/src/infer.rs
@@ -375,7 +375,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
         match assoc_ty {
             Some(res_assoc_ty) => {
                 let ty = self.table.new_type_var();
-                let mut builder = Substs::builder(1 + params.len()).push(inner_ty);
+                let mut builder = Substs::build_for_def(self.db, res_assoc_ty).push(inner_ty);
                 for ty in params {
                     builder = builder.push(ty.clone());
                 }
-- 
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