diff options
author | Matt A. Tobin <email@mattatobin.com> | 2022-06-07 20:20:19 -0500 |
---|---|---|
committer | Matt A. Tobin <email@mattatobin.com> | 2022-06-07 20:20:19 -0500 |
commit | 878ab758d5d4c1ef7badf2bc20ebc7c67dc2165b (patch) | |
tree | 3683d6df35e3618c0e7b456de7c749ca4c8c21a6 /js/src/tests/test262/language/expressions/coalesce/tco-pos-undefined-strict.js | |
parent | a621951327b0c19c0c24dfd9fd973f7bd13ae68f (diff) | |
parent | cfb9884423faf741de03c5fcc72bf9ac8c6ada4d (diff) | |
download | aura-central-878ab758d5d4c1ef7badf2bc20ebc7c67dc2165b.tar.gz |
Merge branch 'TRUNK' into ARE-5.0
Diffstat (limited to 'js/src/tests/test262/language/expressions/coalesce/tco-pos-undefined-strict.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/coalesce/tco-pos-undefined-strict.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/coalesce/tco-pos-undefined-strict.js b/js/src/tests/test262/language/expressions/coalesce/tco-pos-undefined-strict.js new file mode 100644 index 000000000..70f6ff59e --- /dev/null +++ b/js/src/tests/test262/language/expressions/coalesce/tco-pos-undefined-strict.js @@ -0,0 +1,30 @@ +// |reftest| skip -- tail-call-optimization is not supported +'use strict'; +// Copyright (C) 2019 Leo Balter. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: Expression is a candidate for tail-call optimization. +esid: sec-static-semantics-hascallintailposition +info: | + Expression Rules + + CoalesceExpression : CoalesceExpressionHead ?? BitwiseORExpression + + 1. Return HasCallInTailPosition of BitwiseORExpression with argument call. +flags: [onlyStrict] +features: [tail-call-optimization, coalesce-expression] +includes: [tcoHelper.js] +---*/ + +var callCount = 0; +(function f(n) { + if (n === 0) { + callCount += 1 + return; + } + return undefined ?? f(n - 1); +}($MAX_ITERATIONS)); +assert.sameValue(callCount, 1); + +reportCompare(0, 0); |