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Unified Diff: test/mjsunit/compiler/regress-4389-6.js

Issue 1307413003: [crankshaft] DCE must not eliminate (observable) math operations. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 4 months ago
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Index: test/mjsunit/compiler/regress-4389-6.js
diff --git a/test/mjsunit/compiler/regress-491578.js b/test/mjsunit/compiler/regress-4389-6.js
similarity index 55%
copy from test/mjsunit/compiler/regress-491578.js
copy to test/mjsunit/compiler/regress-4389-6.js
index c27570456c31e9a191fe1f4f1ea17b80f29de98e..fe065707f4231b8cfa6bf67edc30997c3c342957 100644
--- a/test/mjsunit/compiler/regress-491578.js
+++ b/test/mjsunit/compiler/regress-4389-6.js
@@ -2,14 +2,10 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --allow-natives-syntax
+// Flags: --allow-natives-syntax --dead-code-elimination
-function foo(x) {
- if (x === undefined) return;
- while (true) {
- while (1 || 2) { }
- f();
- }
-}
+function foo(x) { Math.log(x); }
+foo(1);
+foo(2);
%OptimizeFunctionOnNextCall(foo);
-foo();
+assertThrows(function() { foo(Symbol()) }, TypeError);
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