8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations Summary: Add infrastructure to avoid combinatorial explosion of method argument attributions Reviewed-by: jlahoda, vromero, dlsmith

8077306: Recursive implementation of List.map leads to stack overflow Summary: Recusrive implementation of List.map uses too much stack; switch to iterative version. Reviewed-by: jlahoda