Build failure on FreeBSD and macOS

[targos]

CI run: https://ci.nodejs.org/job/node-test-commit-node-v8/11/

Error:

  c++ '-DV8_GYP_BUILD' '-DV8_TYPED_ARRAY_MAX_SIZE_IN_HEAP=0' '-DV8_TARGET_ARCH_X64' '-DV8_EMBEDDER_STRING="-node.0"' '-DENABLE_DISASSEMBLER' '-DV8_PROMISE_INTERNAL_FIELD_COUNT' '-Dv8_promise_internal_field_count' '-DV8_INTL_SUPPORT' '-DV8_CONCURRENT_MARKING' '-DDISABLE_UNTRUSTED_CODE_MITIGATIONS' '-DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_STATIC' '-DUCONFIG_NO_SERVICE=1' '-DUCONFIG_NO_REGULAR_EXPRESSIONS=1' '-DU_ENABLE_DYLOAD=0' '-DU_STATIC_IMPLEMENTATION=1' '-DU_HAVE_STD_STRING=1' '-DUCONFIG_NO_BREAK_ITERATION=0' -I../deps/v8 -I../. -I/usr/home/iojs/build/workspace/node-test-commit-freebsd/nodes/freebsd10-64/out/Release/obj/gen -I../deps/v8/include -I../deps/icu-small/source/i18n -I../deps/icu-small/source/common  -pthread -Wall -Wextra -Wno-unused-parameter -m64 -D_LIBCPP_TRIVIAL_PAIR_COPY_CTOR=1 -fno-strict-aliasing -I/usr/local/include -fdata-sections -ffunction-sections -O3 -O3 -fno-omit-frame-pointer -fno-rtti -fno-exceptions -std=gnu++1y -MMD -MF /usr/home/iojs/build/workspace/node-test-commit-freebsd/nodes/freebsd10-64/out/Release/.deps//usr/home/iojs/build/workspace/node-test-commit-freebsd/nodes/freebsd10-64/out/Release/obj.target/v8_base/deps/v8/src/inspector/wasm-translation.o.d.raw   -c -o /usr/home/iojs/build/workspace/node-test-commit-freebsd/nodes/freebsd10-64/out/Release/obj.target/v8_base/deps/v8/src/inspector/wasm-translation.o ../deps/v8/src/inspector/wasm-translation.cc
../deps/v8/src/inspector/wasm-translation.cc:91:40: error: default initialization of an object of const type 'const v8_inspector::WasmSourceInformation' requires a user-provided default constructor
    static const WasmSourceInformation singleEmptySourceInformation;
                                       ^
1 error generated.

[targos]

This issue is now being tracked in nodejs/node#19989