1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/profiler/bug1782003.js b/js/src/jit-test/tests/profiler/bug1782003.js
new file mode 100644
index 0000000000..34219a7179
--- /dev/null
+++ b/js/src/jit-test/tests/profiler/bug1782003.js
@@ -0,0 +1,28 @@
+function getStack() {
+    enableGeckoProfiling();
+    let stack = readGeckoProfilingStack();
+    // The number of frames depends on JIT flags, but there must be at least
+    // one frame for the caller and at most 3 total (the global script, 'testFun'
+    // and 'getStack').
+    assertEq(stack.length > 0, true);
+    assertEq(stack.length <= 3, true);
+    assertEq(JSON.stringify(stack).includes('"testFun ('), true);
+    disableGeckoProfiling();
+}
+function testFun() {
+    // Loop until this is a JIT frame.
+    while (true) {
+        let isJitFrame = inJit();
+        if (typeof isJitFrame === "string") {
+            return; // JIT disabled.
+        }
+        if (isJitFrame) {
+            break;
+        }
+    }
+
+    // Now call getStack to check this frame is on the profiler's JIT stack.
+    getStack();
+    getStack();
+}
+testFun();