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diff --git a/js/src/tests/test262/annexB/language/global-code/if-decl-else-stmt-global-existing-fn-no-init.js b/js/src/tests/test262/annexB/language/global-code/if-decl-else-stmt-global-existing-fn-no-init.js
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index 0000000000..e660d2190e
--- /dev/null
+++ b/js/src/tests/test262/annexB/language/global-code/if-decl-else-stmt-global-existing-fn-no-init.js
@@ -0,0 +1,32 @@
+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/global-existing-fn-no-init.case
+// - src/annex-b-fns/global/if-decl-else-stmt.template
+/*---
+description: Existing variable binding is not modified (IfStatement with a declaration in the first statement position in the global scope)
+esid: sec-functiondeclarations-in-ifstatement-statement-clauses
+flags: [generated, noStrict]
+info: |
+ The following rules for IfStatement augment those in 13.6:
+
+ IfStatement[Yield, Return]:
+ if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return]
+ if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield]
+ if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield]
+ if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield]
+
+
+ B.3.3.2 Changes to GlobalDeclarationInstantiation
+
+ [...]
+ 1. Let fnDefinable be ? envRec.CanDeclareGlobalFunction(F).
+ 2. If fnDefinable is true, then
+---*/
+assert.sameValue(f(), 'outer declaration');
+
+if (true) function f() { return 'inner declaration'; } else ;
+
+function f() {
+ return 'outer declaration';
+}
+
+reportCompare(0, 0);