Fix typo in source-based-code-coverage.md

[rust.git] / src / bootstrap / builder.rs

diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index c2abb01fa8c95f5723a16ef6ca3ba2456378c330..ec9ce4c820c69f18b72823735b47710b86d84f43 100644 (file)
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -1534,7 +1534,7 @@ fn env(&mut self, env: &str) {
     fn arg(&mut self, arg: &str) -> &mut Self {
         assert_eq!(arg.split(' ').count(), 1);
         if !self.0.is_empty() {
-            self.0.push_str(" ");
+            self.0.push(' ');
         }
         self.0.push_str(arg);
         self