0.8.13.63:

[sbcl.git] / src / code / macros.lisp

diff --git a/src/code/macros.lisp b/src/code/macros.lisp
index 5c64df2..0843787 100644 (file)
--- a/src/code/macros.lisp
+++ b/src/code/macros.lisp
@@ -79,6 +79,8 @@
     (error 'simple-type-error :datum name :expected-type 'symbol
           :format-control "Symbol macro name is not a symbol: ~S."
           :format-arguments (list name)))
+  (with-single-package-locked-error 
+      (:symbol name "defining ~A as a symbol-macro"))
   (ecase (info :variable :kind name)
     ((:macro :global nil)
      (setf (info :variable :kind name) :macro)