[v8.x] deps: backport V8 update to 6.1
We still need to revert some changes for ABI compatibility. @addaleax would you like to help me with that? I'm not good enough with C++ to determine which changes could break addons or not.
Output of git diff v8.5.0 deps/v8/include/ > v8-61.diff
: https://gist.github.com/targos/d3a1bf91592cb2e9257af94476274f27
/cc @nodejs/v8
Closes: https://github.com/nodejs/node/issues/14220
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines
Affected core subsystem(s)
V8