8024972: for (LeftHandSideExpression in Expression) crashes the compiler
Reviewed-by: lagergren, hannesw
[object Object]
A big fat string
123
function(x) { return x; }
proto
A big fat string
123
function(x) { return x; }
A A big fat string
B 123
F function(x) { return x; }
G proto
R A big fat string
S 123
T function(x) { return x; }