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diff --git a/js/src/tests/test262/annexB/language/function-code/if-decl-else-decl-a-func-existing-block-fn-no-init.js b/js/src/tests/test262/annexB/language/function-code/if-decl-else-decl-a-func-existing-block-fn-no-init.js
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index 0000000000..351f7cde4b
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+++ b/js/src/tests/test262/annexB/language/function-code/if-decl-else-decl-a-func-existing-block-fn-no-init.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/annex-b-fns/func-existing-block-fn-no-init.case
+// - src/annex-b-fns/func/if-decl-else-decl-a.template
+/*---
+description: Does not re-initialize binding created by similar forms (IfStatement with a declaration in both statement positions in function 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.3.3.1 Changes to FunctionDeclarationInstantiation
+
+ [...]
+ 2. If instantiatedVarNames does not contain F, then
+ [...]
+---*/
+var init;
+
+(function() {
+ init = f;
+
+ {
+ function f() {}
+ }
+
+ if (true) function f() { } else function _f() {}
+
+
+}());
+
+assert.sameValue(init, undefined);
+
+reportCompare(0, 0);