X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fx86-64-assem.S;h=c29acebe3567bb0a4aed8671a3f2d16436c3292b;hb=f17e3d27d7ff599f9443d011d17017a2a858c81a;hp=388c3bf90d01f6bec1cc1aab2a6c57fe468b50a8;hpb=11b5ac86a98f058fe0375b0a707c6ef9e24590c9;p=sbcl.git

diff --git a/src/runtime/x86-64-assem.S b/src/runtime/x86-64-assem.S
index 388c3bf..c29aceb 100644
--- a/src/runtime/x86-64-assem.S
+++ b/src/runtime/x86-64-assem.S
@@ -266,6 +266,7 @@ GNAME(fpu_restore):
 	.globl  GNAME(undefined_tramp)
 	TYPE(GNAME(undefined_tramp))
 GNAME(undefined_tramp):
+	pop	8(%rbp)         # Save return PC for backtrace.
 	TRAP
 	.byte	trap_Error
         .byte   2