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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/bindings/test/test_throwing_method_noDCE.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/bindings/test/test_throwing_method_noDCE.html')
| -rw-r--r-- | dom/bindings/test/test_throwing_method_noDCE.html | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/dom/bindings/test/test_throwing_method_noDCE.html b/dom/bindings/test/test_throwing_method_noDCE.html new file mode 100644 index 0000000000..92d1a0b7f9 --- /dev/null +++ b/dom/bindings/test/test_throwing_method_noDCE.html @@ -0,0 +1,30 @@ +<!DOCTYPE html> +<meta charset=utf-8> +<title>Test that we don't DCE functions that can throw</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<div id="log"></div> +<script> +/* global test, assert_true */ +test(function() { + function test(root) { + var threw = false; + try { + root.querySelectorAll(""); + } catch (e) { threw = true; } + // Hot loop to make sure the JIT heuristics ion-compile this function even + // though it's throwing exceptions (which would normally make us back off + // of ion compilation). + for (var i = 0; i < 1500; i++) { + // empty + } + return threw; + } + + var threw = false; + var el = document.createElement("div"); + for (var i = 0; i < 200; i++) + threw = test(el); + assert_true(threw); +}, "Shouldn't optimize away throwing functions"); +</script> |