Bug 1530641: Add test case; r=bhackett

Differential Revision: https://phabricator.services.mozilla.com/D21506

--HG--
extra : moz-landing-system : lando

js/src/jit-test/tests/wasm/regress/debugger-no-script.js

@@ -0,0 +1,19 @@
+// |jit-test| skip-if: !wasmDebugSupport(); exitstatus:3
+
+function userError() {};
+
+let g = newGlobal({newCompartment: true});
+let dbg = new Debugger(g);
+
+g.eval(`
+  var wasm = wasmTextToBinary('(module (func (export "test") (nop)))');
+  var m = new WebAssembly.Instance(new WebAssembly.Module(wasm));
+`);
+
+dbg.onEnterFrame = function(frame) {
+    if (frame.type == "wasmcall") {
+        throw new userError()
+    }
+}
+
+result = g.eval("m.exports.test()");