Treat no_std(target) == None case correctly.

diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs
index 12a845c3d6db79a5c0398fe1f085002054f6d5ca..38bba40aa654bda8b8b34a39455540acdff9c708 100644 (file)
--- a/src/bootstrap/test.rs
+++ b/src/bootstrap/test.rs
@@ -966,7 +966,7 @@ fn run(self, builder: &Builder) {
             builder.ensure(compile::Rustc { compiler, target });
         }
 
-        if builder.no_std(target) == Some(false) {
+        if builder.no_std(target) != Some(true) {
             builder.ensure(compile::Test { compiler, target });
         }
         builder.ensure(native::TestHelpers { target });