From: Shotaro Yamada <sinkuu@sinkuu.xyz>
Date: Sat, 17 Mar 2018 00:46:32 +0000 (+0900)
Subject: Unnecessary `to_string`
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=4c1cb7534b950d8135279f1ae3aae09137ef7815;p=rust.git

Unnecessary `to_string`
---

diff --git a/src/librustc_codegen_llvm/back/symbol_export.rs b/src/librustc_codegen_llvm/back/symbol_export.rs
index 94357f34849..48de2f3beed 100644
--- a/src/librustc_codegen_llvm/back/symbol_export.rs
+++ b/src/librustc_codegen_llvm/back/symbol_export.rs
@@ -206,9 +206,8 @@ fn exported_symbols_provider_local<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
                                  })
                                  .collect();
 
-    if let Some(_) = *tcx.sess.entry_fn.borrow() {
-        let symbol_name = "main".to_string();
-        let exported_symbol = ExportedSymbol::NoDefId(SymbolName::new(&symbol_name));
+    if tcx.sess.entry_fn.borrow().is_some() {
+        let exported_symbol = ExportedSymbol::NoDefId(SymbolName::new("main"));
 
         symbols.push((exported_symbol, SymbolExportLevel::C));
     }