8158168: Missing bounds checks for some String intrinsics
Reviewed-by: vlivanov, thartmann, sherman

8165492: Reduce number of lambda forms generated by MethodHandleInlineCopyStrategy
Reviewed-by: mhaupt, vlivanov, psandoz, shade

8148869: StringConcatFactory MH_INLINE_SIZED_EXACT strategy does not work with -XX:-CompactStrings
Reviewed-by: vlivanov, psandoz

8148483: JEP 280: Indify String Concatenation
Reviewed-by: psandoz, mcimadamore, igerasim, forax, plevart, vlivanov, ihse
Contributed-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>, Remi Forax <forax@univ-mlv.fr>, Peter Levart <peter.levart@gmail.com>