Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/expressions/arrow-function/eval-var-scope-syntax-err.js b/js/src/tests/test262/language/expressions/arrow-function/eval-var-scope-syntax-err.js
new file mode 100644
index 0000000000..f28c7fb46d
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/arrow-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/arrow-function.template
+/*---
+description: sloppy direct eval in params introduces var (arrow function expression in sloppy code)
+esid: sec-arrow-function-definitions-runtime-semantics-evaluation
+features: [default-parameters]
+flags: [generated, noStrict]
+info: |
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    [...]
+    4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, 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;
+var f;
+f = (a = eval("var a = 42")) => {
+  
+  callCount = callCount + 1;
+};
+
+assert.throws(SyntaxError, function() {
+  f();
+});
+assert.sameValue(callCount, 0, 'arrow function body not evaluated');
+
+reportCompare(0, 0);