1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug678106.js b/js/src/jit-test/tests/ion/bug678106.js
new file mode 100644
index 0000000000..34ab6584d9
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug678106.js
@@ -0,0 +1,32 @@
+function f_localinc(x) {
+    var a = x;
+    var b = a++;
+
+    var c = b+b+b+b+b+b+b+b+b+b;
+    return a + c;
+}
+assertEq(f_localinc(1), 12)
+function f_localdec(x) {
+    var a = x;
+    var b = a--;
+
+    var c = b+b+b+b+b+b+b+b+b+b;
+    return a + c;
+}
+assertEq(f_localdec(1), 10)
+function f_inclocal(x) {
+    var a = x;
+    var b = ++a;
+
+    var c = b+b+b+b+b+b+b+b+b+b;
+    return a + c;
+}
+assertEq(f_inclocal(1), 22)
+function f_declocal(x) {
+    var a = x;
+    var b = --a;
+
+    var c = b+b+b+b+b+b+b+b+b+b;
+    return a + c;
+}
+assertEq(f_declocal(1), 0)