deps: update V8 to 5.9

deps/v8/.gitignore

@@ -1,3 +1,5 @@
+#*#
+*.Makefile
 *.a
 *.exe
 *.idb
@@ -18,9 +20,9 @@
 *.vcxproj
 *.vcxproj.filters
 *.xcodeproj
-#*#
 *~
 .#*
+.*.sw?
 .cpplint-cache
 .cproject
 .d8_history
@@ -30,33 +32,31 @@
 .project
 .pydevproject
 .settings
-.*.sw?
-bsuite
-compile_commands.json
-d8
-d8_g
-gccauses
-gcsuspects
-shell
-shell_g
 /_*
 /build
-/gypfiles/win_toolchain.json
 /buildtools
+/gypfiles/win_toolchain.json
 /hydrogen.cfg
 /obj
 /out
 /out.gn
 /perf.data
 /perf.data.old
+/src/inspector/build/closure-compiler
+/src/inspector/build/closure-compiler.tar.gz
 /test/benchmarks/data
+/test/fuzzer/wasm
+/test/fuzzer/wasm.tar.gz
+/test/fuzzer/wasm_asmjs
+/test/fuzzer/wasm_asmjs.tar.gz
 /test/mozilla/data
 /test/promises-aplus/promises-tests
 /test/promises-aplus/promises-tests.tar.gz
 /test/promises-aplus/sinon
 /test/test262/data
 /test/test262/data.tar
 /test/test262/harness
+/test/wasm-js
 /testing/gmock
 /testing/gtest/*
 !/testing/gtest/include
@@ -81,26 +81,26 @@ shell_g
 /tools/swarming_client
 /tools/visual_studio/Debug
 /tools/visual_studio/Release
-/test/fuzzer/wasm
-/test/fuzzer/wasm_asmjs
 /v8.log.ll
 /xcodebuild
-TAGS
-*.Makefile
-GTAGS
+GPATH
 GRTAGS
 GSYMS
-GPATH
-tags
+GTAGS
+TAGS
+bsuite
+compile_commands.json
+d8
+d8_g
+gccauses
+gcsuspects
 gtags.files
+shell
+shell_g
+tags
 turbo*.cfg
 turbo*.dot
 turbo*.json
 v8.ignition_dispatches_table.json
-/test/fuzzer/wasm.tar.gz
-/test/fuzzer/wasm_asmjs.tar.gz
-/src/inspector/build/closure-compiler.tar.gz
-/src/inspector/build/closure-compiler
-/test/wasm-js
 !/third_party/jinja2
 !/third_party/markupsafe

deps/v8/.gn

@@ -21,5 +21,7 @@ check_targets = []
 # These are the list of GN files that run exec_script. This whitelist exists
 # to force additional review for new uses of exec_script, which is strongly
 # discouraged except for gypi_to_gn calls.
-exec_script_whitelist =
-    build_dotfile_settings.exec_script_whitelist + [ "//test/test262/BUILD.gn" ]
+exec_script_whitelist = build_dotfile_settings.exec_script_whitelist + [
+                          "//test/test262/BUILD.gn",
+                          "//BUILD.gn",
+                        ]

deps/v8/AUTHORS

@@ -1,4 +1,4 @@
-# Below is a list of people and organizations that have contributed
+# Below is a list of people and organizations that have contributed
 # to the V8 project.  Names should be added to the list like so:
 #
 #   Name/Organization <email address>
@@ -82,6 +82,7 @@ JunHo Seo <sejunho@gmail.com>
 Kang-Hao (Kenny) Lu <kennyluck@csail.mit.edu>
 Karl Skomski <karl@skomski.com>
 Kevin Gibbons <bakkot@gmail.com>
+Loo Rong Jie <loorongjie@gmail.com>
 Luis Reis <luis.m.reis@gmail.com>
 Luke Zarko <lukezarko@gmail.com>
 Maciej Małecki <me@mmalecki.com>