1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/directiveless/bug1664979.js b/js/src/jit-test/tests/wasm/directiveless/bug1664979.js
new file mode 100644
index 0000000000..e6b8bd7c3c
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/directiveless/bug1664979.js
@@ -0,0 +1,21 @@
+// |jit-test| --fuzzing-safe; --ion-offthread-compile=off; skip-if: !wasmIsSupported()
+
+var all = [undefined, null, ];
+function AsmModule(stdlib) {
+    "use asm";
+    var fround = stdlib.Math.fround;
+    function fltConvNot(y38) {
+        y38 = fround(y38);
+        var i38 = 0;
+        i38 = ~((~~y38) | 0);
+        return (!!i38) | 0;
+    }
+    return {
+        fltConvNot: fltConvNot,
+    };
+}
+var asmModule = AsmModule({
+    Math: Math
+});
+for (var i38 = 0; i38 < 10; ++i38)
+  asmModule.fltConvNot(all[i38])