Remove unused option flag

diff --git a/src/librustc/session/config.rs b/src/librustc/session/config.rs
index 54d9e24bbc0e237134ff86936435643b41ab18a2..9d25d1cad6f5330852f3dc8a725b52a9d6ffa5cd 100644 (file)
--- a/src/librustc/session/config.rs
+++ b/src/librustc/session/config.rs
@@ -1233,8 +1233,6 @@ fn parse_cross_lang_lto(slot: &mut CrossLangLto, v: Option<&str>) -> bool {
           "for every macro invocation, print its name and arguments"),
     debug_macros: bool = (false, parse_bool, [TRACKED],
           "emit line numbers debug info inside macros"),
-    enable_nonzeroing_move_hints: bool = (false, parse_bool, [TRACKED],
-          "force nonzeroing move optimization on"),
     keep_hygiene_data: bool = (false, parse_bool, [UNTRACKED],
           "don't clear the hygiene data after analysis"),
     keep_ast: bool = (false, parse_bool, [UNTRACKED],
@@ -3153,10 +3151,6 @@ fn test_debugging_options_tracking_hash() {
         opts.debugging_opts.force_overflow_checks = Some(true);
         assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 
-        opts = reference.clone();
-        opts.debugging_opts.enable_nonzeroing_move_hints = true;
-        assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
-
         opts = reference.clone();
         opts.debugging_opts.show_span = Some(String::from("abc"));
         assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());

diff --git a/src/librustc/session/mod.rs b/src/librustc/session/mod.rs
index 77a1129f66d27726dc67aab94a3bec227a88a177..7b8bbbf4a10e061eb83becc03886f980e460ff5f 100644 (file)
--- a/src/librustc/session/mod.rs
+++ b/src/librustc/session/mod.rs
@@ -624,9 +624,6 @@ pub fn no_landing_pads(&self) -> bool {
     pub fn unstable_options(&self) -> bool {
         self.opts.debugging_opts.unstable_options
     }
-    pub fn nonzeroing_move_hints(&self) -> bool {
-        self.opts.debugging_opts.enable_nonzeroing_move_hints
-    }
     pub fn overflow_checks(&self) -> bool {
         self.opts
             .cg