1 files changed, 96 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1027510.js b/js/src/jit-test/tests/ion/bug1027510.js
new file mode 100644
index 0000000000..62556086ae
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1027510.js
@@ -0,0 +1,96 @@
+setJitCompilerOption("baseline.warmup.trigger", 10);
+setJitCompilerOption("ion.warmup.trigger", 20);
+
+function myCeil(x) {
+    if(x >= 0) {
+        var r = Math.abs(x % 1);
+        if(r != 0)
+            return (x + 1) - r;
+        else
+            return x;
+    }
+    else
+        return x + Math.abs(x % 1);
+}
+
+function ceilRangeTest(x) {
+    if(10 < x) {
+        if(x < 100) {
+            assertEq(Math.ceil(x), myCeil(x));
+        }
+    }
+
+    if(-100 < x) {
+        if(x < -10) {
+            assertEq(Math.ceil(x), myCeil(x));
+        }
+    }
+
+    if (-(4294967296 - 1) < x) {
+        if(x < 10) {
+            assertEq(Math.ceil(x), myCeil(x));
+        }
+    }
+
+    if (-10 < x) {
+        if(x < 4294967296) {
+            assertEq(Math.ceil(x), myCeil(x));
+        }
+    }
+
+    if (-2147483648 < x) {
+        if(x < 10) {
+            assertEq(Math.ceil(x), myCeil(x));
+        }
+    }
+
+    if ((-2147483648 -1) < x) {
+        if(x < 10) {
+            assertEq(Math.ceil(x), myCeil(x));
+        }
+    }
+
+    if (10 < x) {
+        if(x < 2147483648) {
+            assertEq(Math.ceil(x), myCeil(x));
+        }
+    }
+
+    if (10 < x) {
+        if(x < 2147483649) {
+            assertEq(Math.ceil(x), myCeil(x));
+        }
+    }
+
+    if (Math.pow(2,31) < x) {
+        if(x < Math.pow(2,33)) {
+            assertEq(Math.ceil(x), myCeil(x));
+        }
+    }
+}
+
+var a = [Math.pow(2,31), Math.pow(2,33), -4294967296.4, 214748364.2, -50.4, 50.4];
+
+for(var i = 0; i < 10; i++) {
+    for (var j = 0; j < a.length; j++) {
+        ceilRangeTest(a[j]);
+    }
+}
+
+for (var j = 0; j < 30; j++) {
+    (function() {
+        Math.ceil(1.5);
+    })()
+}
+
+for (var j = 0; j < 30; j++) {
+    (function() {
+        Math.ceil(-1.5);
+    })()
+}
+
+for (var j = 0; j < 30; j++) {
+    (function() {
+        Math.ceil(-127.5);
+    })()
+}