From 4e8cd4d346c13b0ef873f69c213ba96dc5bab5bf Mon Sep 17 00:00:00 2001
From: Yoshitomo Nakanishi <yurayura.rounin.3@gmail.com>
Date: Tue, 13 Jul 2021 22:56:41 +0900
Subject: [PATCH] Fix `NumericLiteral::format` that may produce a invalid
 literal

---
 clippy_utils/src/numeric_literal.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/clippy_utils/src/numeric_literal.rs b/clippy_utils/src/numeric_literal.rs
index 546706d51d7..4a28c7dd9a0 100644
--- a/clippy_utils/src/numeric_literal.rs
+++ b/clippy_utils/src/numeric_literal.rs
@@ -162,6 +162,9 @@ pub fn format(&self) -> String {
         }
 
         if let Some(suffix) = self.suffix {
+            if output.ends_with('.') {
+                output.push('0');
+            }
             output.push('_');
             output.push_str(suffix);
         }