diff options
Diffstat (limited to 'deps/v8/test/mjsunit/compiler/regress-5100.js')
-rw-r--r-- | deps/v8/test/mjsunit/compiler/regress-5100.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/compiler/regress-5100.js b/deps/v8/test/mjsunit/compiler/regress-5100.js new file mode 100644 index 0000000000..694cd8a75b --- /dev/null +++ b/deps/v8/test/mjsunit/compiler/regress-5100.js @@ -0,0 +1,51 @@ +// 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 + +var a = [0, 1]; +a["true"] = "true"; +a["false"] = "false"; +a["null"] = "null"; +a["undefined"] = "undefined"; + +// Ensure we don't accidentially truncate true when used to index arrays. +(function() { + function f(x) { return a[x]; } + + assertEquals(0, f(0)); + assertEquals(0, f(0)); + %OptimizeFunctionOnNextCall(f); + assertEquals("true", f(true)); +})(); + +// Ensure we don't accidentially truncate false when used to index arrays. +(function() { + function f( x) { return a[x]; } + + assertEquals(0, f(0)); + assertEquals(0, f(0)); + %OptimizeFunctionOnNextCall(f); + assertEquals("false", f(false)); +})(); + +// Ensure we don't accidentially truncate null when used to index arrays. +(function() { + function f( x) { return a[x]; } + + assertEquals(0, f(0)); + assertEquals(0, f(0)); + %OptimizeFunctionOnNextCall(f); + assertEquals("null", f(null)); +})(); + +// Ensure we don't accidentially truncate undefined when used to index arrays. +(function() { + function f( x) { return a[x]; } + + assertEquals(0, f(0)); + assertEquals(0, f(0)); + %OptimizeFunctionOnNextCall(f); + assertEquals("undefined", f(undefined)); +})(); |