From 135e763b671c72bfecd48d7ffbeb84ca91786535 Mon Sep 17 00:00:00 2001
From: Michael Woerister <michaelwoerister@posteo>
Date: Tue, 27 Nov 2018 17:51:03 +0100
Subject: [PATCH] benchmark ignoring span hashes during incr. comp. for getting
 a lower bound for #47389

---
 src/librustc/ich/hcx.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc/ich/hcx.rs b/src/librustc/ich/hcx.rs
index 7c623a1874e7b..092815f34a636 100644
--- a/src/librustc/ich/hcx.rs
+++ b/src/librustc/ich/hcx.rs
@@ -320,7 +320,7 @@ impl<'a> HashStable<StableHashingContext<'a>> for Span {
         const TAG_EXPANSION: u8 = 0;
         const TAG_NO_EXPANSION: u8 = 1;
 
-        if !hcx.hash_spans {
+        if !hcx.hash_spans && false {
             return
         }