Remove redundant LENGTH calls in NSUBSTITUTE[-IF[-NOT]]

[sbcl.git] / src / code / cross-thread.lisp

diff --git a/src/code/cross-thread.lisp b/src/code/cross-thread.lisp
index 3682330..ddc0127 100644 (file)
--- a/src/code/cross-thread.lisp
+++ b/src/code/cross-thread.lisp
@@ -23,3 +23,6 @@
   (declare (ignore mutex))
   `(locally ,@body))
 
+(defmacro barrier ((kind) &body body)
+  (declare (ignore kind))
+  `(progn ,@body))