4247235: (spec str) StringBuffer.insert(int, char[]) specification is inconsistent
Summary: Add blanket null-handling statement to StringBuilder and StringBuffer
Reviewed-by: mduigou
os_family = linux
arch = sparc
arch_model = sparc
os_arch = linux_sparc
os_arch_model = linux_sparc
lib_arch = sparc
compiler = gcc
sysdefs = -DLINUX -D_GNU_SOURCE -DSPARC