* eval: fix assertion failure in garbage collection
fixes#12387, #12430
Lists with CopyID+1 linked only from previous_funccal may be removed in
the garbage collection. Therefore, the terms of the assertions are not
correct. This can be confirmed by the following (The l:x with CopyID+1 of
the first function call needs to be removed by garbage collection):
func! s:f()
let l:x = [1]
let g:x = l:
endfunc
for _ in range(2)
call s:f()
endfor
call garbagecollect()
" press any key
* test: add test for #12387, #12430
The test.functional.helpers and test.unit.helpers modules now include
all of the public functions from test.helpers, so there is no need to
separately require('test.helpers').
Note: the test fails on non-Windows CI (Travis linux, Quickbuild bsd):
even on master before the env.c changes in this patch-series.
Maybe the unix part of printenv-test.c needs to be revisited.
Signed-off-by: Justin M. Keyes <justinkz@gmail.com>
It's reported that the Windows widechar variants do automatically
convert from the current codepage to UTF16, which is very helpful. So
the "widechar" impls are a good direction. But libuv v1.12 does that
for us, so the next commit will use that instead.
ref #8398
ref #9267
