tools: update V8 gypfiles for 13.6

Author: targos

tools/v8_gypfiles/abseil.gyp

@@ -363,11 +363,8 @@
         '<(ABSEIL_ROOT)/absl/time/time.h',
         '<(ABSEIL_ROOT)/absl/time/time.cc',
         '<(ABSEIL_ROOT)/absl/types/any.h',
-        '<(ABSEIL_ROOT)/absl/types/bad_variant_access.cc',
-        '<(ABSEIL_ROOT)/absl/types/bad_variant_access.h',
         '<(ABSEIL_ROOT)/absl/types/compare.h',
         '<(ABSEIL_ROOT)/absl/types/internal/span.h',
-        '<(ABSEIL_ROOT)/absl/types/internal/variant.h',
         '<(ABSEIL_ROOT)/absl/types/optional.h',
         '<(ABSEIL_ROOT)/absl/types/span.h',
         '<(ABSEIL_ROOT)/absl/types/variant.h',

tools/v8_gypfiles/toolchain.gypi

@@ -156,6 +156,9 @@
         'xcode_settings': {
           # -Wno-invalid-offsetof
           'GCC_WARN_ABOUT_INVALID_OFFSETOF_MACRO': 'NO',
+          'OTHER_CFLAGS': [
+            '-Wno-nullability-completeness',
+          ],
         },
         'msvs_settings': {
           'VCCLCompilerTool': {