1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/breakpoint-07.js b/js/src/jit-test/tests/debug/breakpoint-07.js
new file mode 100644
index 000000000..d7a168ba8
--- /dev/null
+++ b/js/src/jit-test/tests/debug/breakpoint-07.js
@@ -0,0 +1,30 @@
+// Code runs fine if do-nothing breakpoints are set on every line.
+
+var g = newGlobal();
+var src = ("var line0 = Error().lineNumber;\n" +
+           "function gcd(a, b) {\n" +       // line0 + 1
+           "    if (a > b)\n" +             // line0 + 2
+           "            return gcd(b, a);\n" +  // line0 + 3
+           "    var c = b % a;\n" +         // line0 + 4
+           "    if (c === 0)\n" +           // line0 + 5
+           "            return a;\n" +          // line0 + 6
+           "    return gcd(c, a);\n" +      // line0 + 7
+           "}\n");                          // line0 + 8
+g.eval(src);
+
+var dbg = Debugger(g);
+var hits = 0 ;
+dbg.onDebuggerStatement = function (frame) {
+    var s = frame.eval("gcd").return.script;
+    var offs;
+    for (var lineno = g.line0 + 2; (offs = s.getLineOffsets(lineno)).length > 0; lineno++) {
+        for (var i = 0; i < offs.length; i++)
+            s.setBreakpoint(offs[i], {hit: function (f) { hits++; }});
+    }
+    assertEq(lineno > g.line0 + 7, true);
+    assertEq(lineno <= g.line0 + 9, true);
+};
+
+g.eval("debugger;");
+assertEq(g.gcd(31 * 7 * 5 * 3 * 2, 11 * 3 * 3 * 2), 6);
+assertEq(hits >= 18, true);