1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-onStep-13.js b/js/src/jit-test/tests/debug/Frame-onStep-13.js
new file mode 100644
index 0000000000..b2d4a3c1b1
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-onStep-13.js
@@ -0,0 +1,29 @@
+// Stepping over a not-taken "if" that is at the end of the function
+// should move to the end of the function, not somewhere in the body
+// of the "if".
+
+var g = newGlobal({newCompartment: true});
+g.eval(`function f() {        // 1
+  var a,c;                    // 2
+  debugger;                   // 3
+  if(false) {                 // 4
+    for(var b=0; b<0; b++) {  // 5
+      c = 2;                  // 6
+    }                         // 7
+  }                           // 8
+}                             // 9
+`);
+
+var dbg = Debugger(g);
+var badStep = false;
+
+dbg.onDebuggerStatement = function(frame) {
+  let debugLine = frame.script.getOffsetLocation(frame.offset).lineNumber;
+  assertEq(debugLine, 3);
+  frame.onStep = function() {
+    let foundLine = this.script.getOffsetLocation(this.offset).lineNumber;
+    assertEq(foundLine <= 4 || foundLine >= 8, true);
+  };
+};
+
+g.eval("f();\n");