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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/bindings/test/test_throwing_method_noDCE.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/bindings/test/test_throwing_method_noDCE.html')
| -rw-r--r-- | dom/bindings/test/test_throwing_method_noDCE.html | 27 |
1 files changed, 27 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 000000000..e952819a8 --- /dev/null +++ b/dom/bindings/test/test_throwing_method_noDCE.html @@ -0,0 +1,27 @@ +<!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> +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++) {} + 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> |