WebKit JSC - BytecodeGenerator::hoistSloppyModeFunctionIfNecessary Does not Invalidate the 'ForInContext' Object

/ This is simillar to issue 1263 . When hoisting a function onto the outer scope, if it overwrites the iteration variable for a for-in loop it should invalidate the corresponding ForInContext object, but it doesn't. As a result, an arbitrary object can be passed as the property variable to the...