1 files changed, 69 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/auto-regress/bug763039.js b/js/src/jit-test/tests/auto-regress/bug763039.js
new file mode 100644
index 0000000000..dcd8df564a
--- /dev/null
+++ b/js/src/jit-test/tests/auto-regress/bug763039.js
@@ -0,0 +1,69 @@
+// Binary: cache/js-dbg-32-5cfb73435e06-linux
+// Flags: --ion-eager
+//
+var actual = '';
+function TestCase(n, d, e, a) {
+  this.reason = '';
+}
+function inSection(x) {}
+function reportCompare (expected, actual, description) {
+  var testcase = new TestCase("unknown-test-name", description, expected, actual);
+  testcase.reason = output;
+}
+var lfcode = new Array();
+lfcode.push("4");
+lfcode.push("function START(summary) {\
+}\
+function TEST(section, expected, actual) {\
+    return reportCompare(expected, actual, inSection(section) + SUMMARY);\
+}\
+var expect = (1);\
+TEST(1,1 << this <  assertEq++ < this, actual);\
+");
+lfcode.push("\
+gczeal(4);\
+data >>>=  RunSingleBenchmark(data);\
+");
+lfcode.push("4");
+lfcode.push("\
+var BUGNUMBER = 345855;\
+var summary = 'Blank yield expressions are not syntax errors';\
+test();\
+function test() {\
+  try  {\
+    eval('(function() {x = 12 + yield;})');\
+  }  catch(ex)  {}\
+  try  { eval('(function() {x = 12 + yield 42})'); }  catch(ex)  {\
+    status = inSection(4);\
+  }\
+  try  {\
+    eval('(function() {x = 12 + (yield);})');\
+  }  catch(ex)  {  }\
+  try  {\
+    eval('(function () {foo((yield))})');\
+  }  catch(ex)  {  }\
+  try  {\
+    eval('(function() {x = 12 + (yield 42)})');\
+  }  catch(ex)  {  }\
+  reportCompare(expect, actual, summary + ': function() {x = 12 + (yield 42)}');\
+}\
+");
+while (true) {
+	var file = lfcode.shift(); if (file == undefined) { break; }
+                loadFile(file);
+}
+function loadFile(lfVarx) {
+	try {
+		if (lfVarx.substr(-3) == ".js") {
+		} else if (!isNaN(lfVarx)) {
+			lfRunTypeId = lfVarx;
+		} else {
+			switch (lfRunTypeId) {
+				case 1: eval(read(lfVarx)); break;
+				default: evaluate(lfVarx);
+			}
+		}
+	} catch (lfVare) {
+		print(lfVare);
+	}
+}