6 files changed, 107 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/errors/bug1745907.js b/js/src/jit-test/tests/errors/bug1745907.js
new file mode 100644
index 0000000000..8e5ed634bf
--- /dev/null
+++ b/js/src/jit-test/tests/errors/bug1745907.js
@@ -0,0 +1,12 @@
+var global;
+
+function foo() {
+    var x = BigInt(-1.7e+308);
+    try {
+        global = BigInt.asUintN(100000000, x);
+    } catch {}
+}
+for (var i = 0; i < 100; i++) {
+    foo()
+}
+assertEq(global, undefined)
diff --git a/js/src/jit-test/tests/errors/bug1802100.js b/js/src/jit-test/tests/errors/bug1802100.js
new file mode 100644
index 0000000000..2b0a1bd1f8
--- /dev/null
+++ b/js/src/jit-test/tests/errors/bug1802100.js
@@ -0,0 +1,17 @@
+// |jit-test| exitstatus: 3
+
+// Throw an object as an exception from the interrupt handler.
+setInterruptCallback(function() {
+  throw {};
+});
+
+// Cause a second exception while trying to report the first exception.
+Object.prototype[Symbol.toPrimitive] = function () { return {} }
+
+// Trigger an interrupt in the prologue of a baseline function.
+function b() {
+  var c;
+  interruptIf(true);
+  b();
+}
+b();
diff --git a/js/src/jit-test/tests/errors/bug1810711.js b/js/src/jit-test/tests/errors/bug1810711.js
new file mode 100644
index 0000000000..ef04251a05
--- /dev/null
+++ b/js/src/jit-test/tests/errors/bug1810711.js
@@ -0,0 +1,11 @@
+var g = newGlobal({newCompartment: true});
+
+try {
+  undef()
+} catch (err) {
+  const handler = { "getPrototypeOf": (x) => () => x };
+  const proxy = new g.Proxy(err, handler);
+  try {
+    proxy.stack
+  } catch {}
+}
diff --git a/js/src/jit-test/tests/errors/error-report.js b/js/src/jit-test/tests/errors/error-report.js
new file mode 100644
index 0000000000..978c25f9b8
--- /dev/null
+++ b/js/src/jit-test/tests/errors/error-report.js
@@ -0,0 +1,51 @@
+{
+    // Plain-old Error object
+    let error = new Error("foobar");
+
+    let report = createErrorReport(error);
+    assertEq(report.toStringResult, "Error: foobar");
+    assertEq(report.name, "Error");
+    assertEq(report.message, "foobar");
+}
+
+{
+    // Error object with overwritten properties
+    let error = new Error("foobar");
+    error.name = "MyError";
+    error.message = "here";
+
+    let report = createErrorReport(error);
+    assertEq(report.toStringResult, "MyError: here");
+    assertEq(report.name, "Error");
+    assertEq(report.message, "here");
+}
+
+{
+    // Plain object, which doesn't quack (enough) like an Error
+    let obj = {name: "foo", message: "bar"};
+
+    let report = createErrorReport(obj);
+    assertEq(report.toStringResult, "uncaught exception: [object Object]");
+    assertEq(report.name, "");
+    assertEq(report.message, "uncaught exception: [object Object]");
+}
+
+{
+    // Duck-typed error object
+    let obj = {name: "foo", message: "bar", fileName: "test", lineNumber: 0};
+
+    let report = createErrorReport(obj);
+    assertEq(report.toStringResult, "foo: bar");
+    assertEq(report.name, "");
+    assertEq(report.message, "foo: bar");
+}
+
+{
+    // toString failure
+    let obj = {toString() { throw "haha"; }};
+
+    let report = createErrorReport(obj);
+    assertEq(report.toStringResult, "uncaught exception: unknown (can't convert to string)");
+    assertEq(report.name, "");
+    assertEq(report.message, "uncaught exception: unknown (can't convert to string)");
+}
diff --git a/js/src/jit-test/tests/errors/error-sourceURL-disable.js b/js/src/jit-test/tests/errors/error-sourceURL-disable.js
new file mode 100644
index 0000000000..d9c17876fa
--- /dev/null
+++ b/js/src/jit-test/tests/errors/error-sourceURL-disable.js
@@ -0,0 +1,8 @@
+// |jit-test| --no-source-pragmas
+
+const stack = evaluate(`
+  new Error('test').stack;
+  //# sourceURL=file.js
+`, { fileName: "test.js"});
+
+assertEq(stack.split("\n")[0], "@test.js:2:3");
diff --git a/js/src/jit-test/tests/errors/overrecursed-double-fault-1.js b/js/src/jit-test/tests/errors/overrecursed-double-fault-1.js
new file mode 100644
index 0000000000..634f97e8db
--- /dev/null
+++ b/js/src/jit-test/tests/errors/overrecursed-double-fault-1.js
@@ -0,0 +1,8 @@
+// |jit-test| allow-overrecursed; allow-unhandlable-oom; skip-if: getBuildConfiguration()['android']
+// Disabled on Android due to harness problems (Bug 1532654)
+
+enableShellAllocationMetadataBuilder();
+function a() {
+    a();
+}
+new a;