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-rw-r--r--js/src/jit-test/tests/ion/recover-empty-new-object.js35
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/recover-empty-new-object.js b/js/src/jit-test/tests/ion/recover-empty-new-object.js
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index 0000000000..2aee977ce2
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+++ b/js/src/jit-test/tests/ion/recover-empty-new-object.js
@@ -0,0 +1,35 @@
+// |jit-test| --no-ion
+// Warp lacks Scalar Replacement support (bug 1650233). Re-evaluate after that
+// bug has been fixed.
+
+// Ion eager fails the test below because we have not yet created any
+// template object in baseline before running the content of the top-level
+// function.
+if (getJitCompilerOptions()["ion.warmup.trigger"] <= 20)
+ setJitCompilerOption("ion.warmup.trigger", 20);
+
+// Prevent the GC from cancelling Ion compilations, when we expect them to succeed
+gczeal(0);
+
+// These arguments have to be computed by baseline, and thus captured in a
+// resume point. The next function checks that we can remove the computation of
+// these arguments.
+function f(a, b, c, d) { }
+
+function topLevel() {
+ for (var i = 0; i < 30; i++) {
+ var unused = {};
+ var a = {};
+ var b = {};
+ var c = {};
+ var d = {};
+ assertRecoveredOnBailout(unused, true);
+ assertRecoveredOnBailout(a, true);
+ assertRecoveredOnBailout(b, true);
+ assertRecoveredOnBailout(c, true);
+ assertRecoveredOnBailout(d, true);
+ f(a, b, c, d);
+ }
+}
+
+topLevel();