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diff --git a/js/src/tests/test262/annexB/language/global-code/if-decl-else-decl-a-global-existing-block-fn-update.js b/js/src/tests/test262/annexB/language/global-code/if-decl-else-decl-a-global-existing-block-fn-update.js
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index 0000000000..3607d616d5
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+++ b/js/src/tests/test262/annexB/language/global-code/if-decl-else-decl-a-global-existing-block-fn-update.js
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+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/global-existing-block-fn-update.case
+// - src/annex-b-fns/global/if-decl-else-decl-a.template
+/*---
+description: Variable-scoped binding is updated (IfStatement with a declaration in both statement positions 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
+ [...]
+ c. When the FunctionDeclaration f is evaluated, perform the following steps
+ in place of the FunctionDeclaration Evaluation algorithm provided in
+ 14.1.21:
+
+ i. Let genv be the running execution context's VariableEnvironment.
+ ii. Let genvRec be genv's EnvironmentRecord.
+ ii. Let benv be the running execution context's LexicalEnvironment.
+ iv. Let benvRec be benv's EnvironmentRecord.
+ v. Let fobj be ! benvRec.GetBindingValue(F, false).
+ vi. Perform ? genvRec.SetMutableBinding(F, fobj, false).
+ vii. Return NormalCompletion(empty).
+---*/
+{
+ function f() {
+ return 'first declaration';
+ }
+}
+
+if (true) function f() { return 'second declaration'; } else function _f() {}
+
+assert.sameValue(typeof f, 'function');
+assert.sameValue(f(), 'second declaration');
+
+reportCompare(0, 0);