8047359: large string size RangeError should be thrown rather than reporting negative length Reviewed-by: hannesw, attila

8048586: String concatenation with optimistic types is slow Reviewed-by: lagergren, attila

8048718: JSON.parse('{"0":0, "64":0}') throws ArrayindexOutOfBoundsException Reviewed-by: lagergren, hannesw, attila

8046013: TypeError: Cannot apply "with" to non script object Reviewed-by: lagergren, hannesw

8048505: ScriptingFunctions.readFully couldn't handle file names represented as ConsStrings Reviewed-by: sundar, hannesw

8047371: local variable declaration in TypeEvaluator should use ScriptObject.addOwnProperty instead of .set Reviewed-by: jlaskey, lagergren

8047357: More precise synthetic return + unreachable throw Reviewed-by: lagergren, sundar

8048079: Persistent code store is broken after optimistic types merge Reviewed-by: sundar, jlaskey, attila

8048071: eval within 'with' statement does not use correct scope if with scope expression has a copy of eval Reviewed-by: hannesw, jlaskey

8048009: Type info caching accidentally defeated Reviewed-by: hannesw, jlaskey

8047959: bindings created for declarations in eval code are not mutable Reviewed-by: jlaskey, attila

8046201: Avoid repeated flattening of nested ConsStrings Reviewed-by: lagergren, attila

8047728: (function(x){var o={x:0}; with(o){delete x} return o.x})() evaluates to 0 instead of undefined Reviewed-by: jlaskey, hannesw, attila

8046905: apply on apply is broken Reviewed-by: hannesw, lagergren

8046921: Deoptimization type information peristence Reviewed-by: hannesw, lagergren