+# Tests that destructive-functions on known-constant data cause
+# compile-time warnings.
+cat > $tmpfilename <<EOF
+(let ((string "foo"))
+ (defun foo ()
+ (setf string "bar")))
+EOF
+expect_clean_compile $tmpfilename
+
+cat > $tmpfilename <<EOF
+(defun foo ()
+ (let (result)
+ (nreverse result)))
+EOF
+expect_clean_compile $tmpfilename
+
+cat > $tmpfilename <<EOF
+(defun bar ()
+ (let ((result ""))
+ (nreverse result)))
+EOF
+expect_clean_compile $tmpfilename
+
+cat > $tmpfilename <<EOF
+(let ((string "foo"))
+ (defun foo ()
+ (replace string "bar")))
+EOF
+expect_failed_compile $tmpfilename
+
+cat > $tmpfilename <<EOF
+(defun foo ()
+ (setf (char "bar" 0) #\1))
+EOF
+expect_failed_compile $tmpfilename
+
+cat > $tmpfilename <<EOF
+(let ((foo '(1 2 3)))
+ (defun foo ()
+ (nconc foo foo)))
+EOF
+expect_failed_compile $tmpfilename
+
+cat > $tmpfilename <<EOF
+(declaim (optimize (speed 3) (space 0) (safety 0)))
+
+(defun foo (bar)
+ (last bar))
+EOF
+expect_clean_compile $tmpfilename
+