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Unified Diff: test/mjsunit/array-push-hole-double.js

Issue 2497243002: [stubs] Port builtin for Array.push fast-case from Crankshaft to TF (Closed)
Patch Set: Fix GC mole Created 4 years, 1 month ago
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Index: test/mjsunit/array-push-hole-double.js
diff --git a/test/mjsunit/array-push-hole-double.js b/test/mjsunit/array-push-hole-double.js
new file mode 100644
index 0000000000000000000000000000000000000000..9a4a0ad4979e10da469ff7d07515f6ade40f1a07
--- /dev/null
+++ b/test/mjsunit/array-push-hole-double.js
@@ -0,0 +1,23 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+[1].push(1);
+
+(function PushHoleBitPattern() {
+ function g(src, dst, i) {
+ dst[i] = src[i];
+ }
+
+ var b = new ArrayBuffer(8);
+ var i32 = new Int32Array(b);
+ i32[0] = 0xFFF7FFFF;
+ i32[1] = 0xFFF7FFFF;
+ var f64 = new Float64Array(b);
+
+ var a = [,2.5];
+ a.push(f64[0]);
+ assertTrue(Number.isNaN(a[2]));
+})();
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