Rollup merge of #62249 - czipperz:use-mem-take-instead-of-replace-default, r=dtolnay,Centril

Use mem::take instead of mem::replace with default

2 files changed, 3 insertions, 2 deletions

diff --git a/src/librustc_codegen_llvm/back/archive.rs b/src/librustc_codegen_llvm/back/archive.rs
index e0e26e9af25..ca3b2b84655 100644
--- a/src/librustc_codegen_llvm/back/archive.rs
+++ b/src/librustc_codegen_llvm/back/archive.rs
@@ -205,8 +205,8 @@ impl<'a> LlvmArchiveBuilder<'a> {
     }
 
     fn build_with_llvm(&mut self, kind: ArchiveKind) -> io::Result<()> {
-        let removals = mem::replace(&mut self.removals, Vec::new());
-        let mut additions = mem::replace(&mut self.additions, Vec::new());
+        let removals = mem::take(&mut self.removals);
+        let mut additions = mem::take(&mut self.additions);
         let mut strings = Vec::new();
         let mut members = Vec::new();
 
diff --git a/src/librustc_codegen_llvm/lib.rs b/src/librustc_codegen_llvm/lib.rs
index e6630e18165..ca63e589a6f 100644
--- a/src/librustc_codegen_llvm/lib.rs
+++ b/src/librustc_codegen_llvm/lib.rs
@@ -21,6 +21,7 @@
 #![feature(link_args)]
 #![feature(static_nobundle)]
 #![feature(trusted_len)]
+#![feature(mem_take)]
 #![deny(rust_2018_idioms)]
 #![deny(internal)]
 #![deny(unused_lifetimes)]