X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fir1tran-lambda.lisp;h=d8821958f863af85409eb3d3ab635a1e7f78dd0d;hb=8c12bc813114d4bbfa9c05e450e013167ad6cca3;hp=f424f51372be7d2dcde3f81320ac3df88685ccf7;hpb=bc382783a653d8051718b9712c8c873eea2c8bbf;p=sbcl.git

diff --git a/src/compiler/ir1tran-lambda.lisp b/src/compiler/ir1tran-lambda.lisp
index f424f51..d882195 100644
--- a/src/compiler/ir1tran-lambda.lisp
+++ b/src/compiler/ir1tran-lambda.lisp
@@ -906,9 +906,11 @@
       (binding* (((*lexenv* result-type post-binding-lexenv)
                   (process-decls decls (append aux-vars vars) nil
                                  :binding-form-p t))
-                 (forms (if (and maybe-add-debug-catch
-                                 *allow-instrumenting*
-                                 (policy *lexenv* (>= insert-debug-catch 2)))
+                 (debug-catch-p (and maybe-add-debug-catch
+                                     *allow-instrumenting*
+                                     (policy *lexenv*
+                                             (>= insert-debug-catch 2))))
+                 (forms (if debug-catch-p
                             (wrap-forms-in-debug-catch forms)
                             forms))
                  (forms (if (eq result-type *wild-type*)
@@ -932,6 +934,14 @@
         res))))
 
 (defun wrap-forms-in-debug-catch (forms)
+  #!+unwind-to-frame-and-call-vop
+  `((multiple-value-prog1
+      (progn
+        ,@forms)
+      ;; Just ensure that there won't be any tail-calls, IR2 magic will
+      ;; handle the rest.
+      (values)))
+  #!-unwind-to-frame-and-call-vop
   `( ;; Normally, we'll return from this block with the below RETURN-FROM.
     (block
         return-value-tag