vm_eval.c (rb_adjust_argv_kw_splat): avoid memcpy with zero length

A method call is often with `argc = 1` and `argv = &v` where v is a
VALUE, and some functions shift the arguments by `argc-1` and `argv+1`
(for example, rb_sym_proc_call).  I'm unsure whether it is safe or not
to pass a pointer `argv+1` to memcpy with zero length, but Coverity Scan
complains it.  So this attempts to suppress the warning by explicit
check of the length.

0 files changed, 0 insertions, 0 deletions