1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/function/eval-var-scope-syntax-err.js b/js/src/tests/test262/language/statements/function/eval-var-scope-syntax-err.js
new file mode 100644
index 0000000000..00e562e634
--- /dev/null
+++ b/js/src/tests/test262/language/statements/function/eval-var-scope-syntax-err.js
@@ -0,0 +1,59 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/eval-var-scope-syntax-err.case
+// - src/function-forms/error-no-strict/func-decl.template
+/*---
+description: sloppy direct eval in params introduces var (function declaration in sloppy code)
+esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
+features: [default-parameters]
+flags: [generated, noStrict]
+info: |
+    FunctionDeclaration :
+        function BindingIdentifier ( FormalParameters ) { FunctionBody }
+
+        [...]
+        3. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody,
+           scope, strict).
+        [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    
+    Runtime Semantics: IteratorBindingInitialization
+    FormalParameter : BindingElement
+
+    1. Return the result of performing IteratorBindingInitialization for BindingElement with arguments iteratorRecord and environment.
+
+---*/
+
+var callCount = 0;
+function f(a = eval("var a = 42")) {
+  
+  callCount = callCount + 1;
+}
+assert.throws(SyntaxError, function() {
+  f();
+});
+assert.sameValue(callCount, 0, 'function body not evaluated');
+
+reportCompare(0, 0);