test/mjsunit/regress/regress-crbug-666742.js - Issue 2512183002: [ic] Ensure prototype validity cell guards global object's prototype changes for LoadGlobalIC.

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Unified Diff: test/mjsunit/regress/regress-crbug-666742.js

Issue 2512183002: [ic] Ensure prototype validity cell guards global object's prototype changes for LoadGlobalIC. (Closed)

Patch Set: Created 4 years, 1 month ago

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Index: test/mjsunit/regress/regress-crbug-666742.js

diff --git a/test/mjsunit/regress/regress-crbug-666742.js b/test/mjsunit/regress/regress-crbug-666742.js

new file mode 100644

index 0000000000000000000000000000000000000000..d3fba617194484b43339d022b593fa6c4411f0e1

--- /dev/null

+++ b/test/mjsunit/regress/regress-crbug-666742.js

@@ -0,0 +1,15 @@

+// Use of this source code is governed by a BSD-style license that can be

+// found in the LICENSE file.

+// Flags: --expose-gc

+var p = {x:1};

+__proto__ = p;

+assertEquals(x, 1);

+__proto__ = {x:13};

+assertEquals(x, 13);

+__proto__ = {x:42};

+p = null;

+gc();

+assertEquals(x, 42);

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