diff --git a/src/libcore/macros.rs b/src/libcore/macros.rs
index 2edf8e1fa886f..684b81a27f82e 100644
--- a/src/libcore/macros.rs
+++ b/src/libcore/macros.rs
@@ -8,6 +8,16 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[macro_export]
+// This stability attribute is totally useless.
+#[stable(feature = "rust1", since = "1.0.0")]
+#[cfg(stage0)]
+macro_rules! __rust_unstable_column {
+    () => {
+        column!()
+    }
+}
+
 /// Entry point of thread panic, for details, see std::macros
 #[macro_export]
 #[allow_internal_unstable]
@@ -18,7 +28,7 @@ macro_rules! panic {
     );
     ($msg:expr) => ({
         static _MSG_FILE_LINE_COL: (&'static str, &'static str, u32, u32) =
-            ($msg, file!(), line!(), column!());
+            ($msg, file!(), line!(), __rust_unstable_column!());
         $crate::panicking::panic(&_MSG_FILE_LINE_COL)
     });
     ($fmt:expr, $($arg:tt)*) => ({
@@ -27,7 +37,7 @@ macro_rules! panic {
         // insufficient, since the user may have
         // `#[forbid(dead_code)]` and which cannot be overridden.
         static _MSG_FILE_LINE_COL: (&'static str, u32, u32) =
-            (file!(), line!(), column!());
+            (file!(), line!(), __rust_unstable_column!());
         $crate::panicking::panic_fmt(format_args!($fmt, $($arg)*), &_MSG_FILE_LINE_COL)
     });
 }
diff --git a/src/libstd/macros.rs b/src/libstd/macros.rs
index 03db1e4f01c6c..5e88a46ecc343 100644
--- a/src/libstd/macros.rs
+++ b/src/libstd/macros.rs
@@ -14,6 +14,16 @@
 //! library. Each macro is available for use when linking against the standard
 //! library.
 
+#[macro_export]
+// This stability attribute is totally useless.
+#[stable(feature = "rust1", since = "1.0.0")]
+#[cfg(stage0)]
+macro_rules! __rust_unstable_column {
+    () => {
+        column!()
+    }
+}
+
 /// The entry point for panic of Rust threads.
 ///
 /// This macro is used to inject panic into a Rust thread, causing the thread to
@@ -48,7 +58,8 @@ macro_rules! panic {
     ($msg:expr) => ({
         $crate::rt::begin_panic($msg, {
             // static requires less code at runtime, more constant data
-            static _FILE_LINE_COL: (&'static str, u32, u32) = (file!(), line!(), column!());
+            static _FILE_LINE_COL: (&'static str, u32, u32) = (file!(), line!(),
+                __rust_unstable_column!());
             &_FILE_LINE_COL
         })
     });
@@ -58,7 +69,8 @@ macro_rules! panic {
             // used inside a dead function. Just `#[allow(dead_code)]` is
             // insufficient, since the user may have
             // `#[forbid(dead_code)]` and which cannot be overridden.
-            static _FILE_LINE_COL: (&'static str, u32, u32) = (file!(), line!(), column!());
+            static _FILE_LINE_COL: (&'static str, u32, u32) = (file!(), line!(),
+                __rust_unstable_column!());
             &_FILE_LINE_COL
         })
     });
diff --git a/src/libsyntax/ext/source_util.rs b/src/libsyntax/ext/source_util.rs
index 3cdd3a4b2c31d..b293aa8de38b2 100644
--- a/src/libsyntax/ext/source_util.rs
+++ b/src/libsyntax/ext/source_util.rs
@@ -52,6 +52,16 @@ pub fn expand_column(cx: &mut ExtCtxt, sp: Span, tts: &[tokenstream::TokenTree])
     base::MacEager::expr(cx.expr_u32(topmost, loc.col.to_usize() as u32))
 }
 
+/* __rust_unstable_column!(): expands to the current column number */
+pub fn expand_column_gated(cx: &mut ExtCtxt, sp: Span, tts: &[tokenstream::TokenTree])
+                  -> Box<base::MacResult+'static> {
+    if sp.allows_unstable() {
+        expand_column(cx, sp, tts)
+    } else {
+        cx.span_fatal(sp, "the __rust_unstable_column macro is unstable");
+    }
+}
+
 /// file!(): expands to the current filename */
 /// The filemap (`loc.file`) contains a bunch more information we could spit
 /// out if we wanted.
diff --git a/src/libsyntax_ext/lib.rs b/src/libsyntax_ext/lib.rs
index 8ba07c35b0543..5eab81dd28fc4 100644
--- a/src/libsyntax_ext/lib.rs
+++ b/src/libsyntax_ext/lib.rs
@@ -89,6 +89,7 @@ pub fn register_builtins(resolver: &mut syntax::ext::base::Resolver,
     use syntax::ext::source_util::*;
     register! {
         line: expand_line,
+        __rust_unstable_column: expand_column_gated,
         column: expand_column,
         file: expand_file,
         stringify: expand_stringify,
diff --git a/src/test/compile-fail/rust-unstable-column-gated.rs b/src/test/compile-fail/rust-unstable-column-gated.rs
new file mode 100644
index 0000000000000..abc92c86eec6a
--- /dev/null
+++ b/src/test/compile-fail/rust-unstable-column-gated.rs
@@ -0,0 +1,14 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    println!("{}", __rust_unstable_column!());
+    //~^ERROR the __rust_unstable_column macro is unstable
+}
diff --git a/src/test/run-pass/issue-43057.rs b/src/test/run-pass/issue-43057.rs
new file mode 100644
index 0000000000000..152ddfb193fc5
--- /dev/null
+++ b/src/test/run-pass/issue-43057.rs
@@ -0,0 +1,23 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![allow(unused)]
+
+macro_rules! column {
+    ($i:ident) => {
+        $i
+    };
+}
+
+fn foo() -> ! {
+    panic!();
+}
+
+fn main() {}