Create fewer basic blocks in match MIR lowering

[rust.git] / src / librustc_mir / build / mod.rs

diff --git a/src/librustc_mir/build/mod.rs b/src/librustc_mir/build/mod.rs
index 579a403f3aca7962808007b5b639290b0c9bfd0c..fdab73eb3ca7e780e8931a0920a567982f7e3506 100644 (file)
--- a/src/librustc_mir/build/mod.rs
+++ b/src/librustc_mir/build/mod.rs
@@ -952,17 +952,6 @@ fn return_block(&mut self) -> BasicBlock {
             }
         }
     }
-
-    fn unreachable_block(&mut self) -> BasicBlock {
-        match self.cached_unreachable_block {
-            Some(ub) => ub,
-            None => {
-                let ub = self.cfg.start_new_block();
-                self.cached_unreachable_block = Some(ub);
-                ub
-            }
-        }
-    }
 }
 
 ///////////////////////////////////////////////////////////////////////////