8205959: Do not restart close if errno is EINTR Reviewed-by: alanb, vtewari

8205913: Inconsistent source code model Summary: Ensuring variable declarations have non-null modifiers and names. Reviewed-by: mcimadamore

8195986: Incorrect javac -h output with annotation processing and missing classes Summary: When clearing out symbols for a new annotation processing round, preserve types when possible. Reviewed-by: vromero