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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/auto-regress/bug1448582-2.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/auto-regress/bug1448582-2.js')
-rw-r--r-- | js/src/jit-test/tests/auto-regress/bug1448582-2.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/auto-regress/bug1448582-2.js b/js/src/jit-test/tests/auto-regress/bug1448582-2.js new file mode 100644 index 0000000000..fdf59d281b --- /dev/null +++ b/js/src/jit-test/tests/auto-regress/bug1448582-2.js @@ -0,0 +1,25 @@ +// Overview: +// - The outer function is an IIFE which gets marked as a singleton. +// - The |o[index]| inner function is then also marked as a singleton. +// - The |o[index]| inner function has a dynamic name from a computed property name. +// - The |self| inner function uses |Function.prototype.caller| to reinvoke the outer function. +// +// When we reinvoke outer, we end up cloning a previously reused, i.e. non-cloned, +// function which triggered an assertion in js::SetFunctionNameIfNoOwnName(). + +(function(index) { + var o = { + [index]: function() {} + }; + + // Accessing |.name| sets the resolved-name flag, which triggered yet + // another assertion when compared to bug1448582-1.js + assertEq(o[index].name, String(index)); + + // Reinvoke the IIFE through |Function.prototype.caller|. + if (index === 0) { + (function self() { + self.caller(1); + })(); + } +})(0); |