diff options
Diffstat (limited to 'js/src/jit-test/tests/ion/bug1620189.js')
| -rw-r--r-- | js/src/jit-test/tests/ion/bug1620189.js | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1620189.js b/js/src/jit-test/tests/ion/bug1620189.js new file mode 100644 index 0000000000..442982ac65 --- /dev/null +++ b/js/src/jit-test/tests/ion/bug1620189.js @@ -0,0 +1,11 @@ +function test(...a) { + // Overwrites the parameter |a|, but otherwise isn't used within this + // function, which should allow to optimise away the function expression. + // On bailout, this instruction can be safely repeated. + function a() {} + + // Read an element from the implicit |arguments| binding to ensure the + // arguments object gets created. + assertEq(arguments[0], 0); +} +test(0);
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