1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/global-code/block-decl-global-init.js b/js/src/tests/test262/annexB/language/global-code/block-decl-global-init.js
new file mode 100644
index 0000000000..5bee96bb60
--- /dev/null
+++ b/js/src/tests/test262/annexB/language/global-code/block-decl-global-init.js
@@ -0,0 +1,32 @@
+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/global-init.case
+// - src/annex-b-fns/global/block.template
+/*---
+description: Variable binding is initialized to `undefined` in outer scope (Block statement in the global scope containing a function declaration)
+esid: sec-web-compat-globaldeclarationinstantiation
+flags: [generated, noStrict]
+includes: [fnGlobalObject.js, propertyHelper.js]
+info: |
+    B.3.3.2 Changes to GlobalDeclarationInstantiation
+
+    [...]
+    b. If declaredFunctionOrVarNames does not contain F, then
+       i. Perform ? envRec.CreateGlobalFunctionBinding(F, undefined, false).
+       ii. Append F to declaredFunctionOrVarNames.
+    [...]
+
+---*/
+var global = fnGlobalObject();
+assert.sameValue(f, undefined, 'binding is initialized to `undefined`');
+
+verifyProperty(global, "f", {
+  enumerable: true,
+  writable: true,
+  configurable: false
+});
+
+{
+  function f() {  }
+}
+
+reportCompare(0, 0);