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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/parser/bug-888002-2.js')
-rw-r--r--js/src/jit-test/tests/parser/bug-888002-2.js12
1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/parser/bug-888002-2.js b/js/src/jit-test/tests/parser/bug-888002-2.js
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index 000000000..f0ccfca99
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+++ b/js/src/jit-test/tests/parser/bug-888002-2.js
@@ -0,0 +1,12 @@
+// Constant folding doesn't affect non-strict delete.
+
+(function (x) {
+ // These senseless delete-expressions are legal. Per ES5.1 11.4.1 step 2,
+ // each one does nothing and returns true.
+ assertEq(delete (1 ? x : x), true);
+ assertEq(delete (0 || x), true);
+ assertEq(delete (1 && x), true);
+
+ // This one is legal too, but returns false.
+ assertEq(delete x, false);
+}());