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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"GCC compiler warning in node_buffer.cc","articleBody":"With `gcc (GCC) 10.0.1 20200430 (Red Hat 10.0.1-0.14)`\r\n```\r\nFAILED: obj/src/libnode.node_buffer.o \r\nc++ -MMD -MF obj/src/libnode.node_buffer.o.d -DV8_DEPRECATION_WARNINGS -DV8_IMMINENT_DEPRECATION_WARNINGS -D__STDC_FORMAT_MACROS -DOPENSSL_NO_PINSHARED -DOPENSSL_THREADS '-DNODE_ARCH=\"x64\"' '-DNODE_PLATFORM=\"linux\"' -DNODE_WANT_INTERNALS=1 -DV8_DEPRECATION_WARNINGS=1 '-DNODE_OPENSSL_SYSTEM_CERT_PATH=\"\"' -DHAVE_INSPECTOR=1 -DNODE_ENABLE_LARGE_CODE_PAGES=1 -D__POSIX__ -DNODE_USE_V8_PLATFORM=1 -DNODE_HAVE_I18N_SUPPORT=1 -DHAVE_OPENSSL=1 -DUCONFIG_NO_SERVICE=1 -DU_ENABLE_DYLOAD=0 -DU_STATIC_IMPLEMENTATION=1 -DU_HAVE_STD_STRING=1 -DUCONFIG_NO_BREAK_ITERATION=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_POSIX_C_SOURCE=200112 -DNGHTTP2_STATICLIB -I../../src -Igen -Igen/include -Igen/src -I../../deps/histogram/src -I../../deps/uvwasi/include -I../../deps/v8/include -I../../deps/icu-small/source/i18n -I../../deps/icu-small/source/common -I../../deps/zlib -I../../deps/llhttp/include -I../../deps/cares/include -I../../deps/uv/include -I../../deps/nghttp2/lib/includes -I../../deps/brotli/c/include -I../../deps/openssl/openssl/include -Wall -Wextra -Wno-unused-parameter -pthread -Wall -Wextra -Wno-unused-parameter -m64 -Werror -O3 -fno-omit-frame-pointer -fno-rtti -fno-exceptions -std=gnu++1y  -c ../../src/node_buffer.cc -o obj/src/libnode.node_buffer.o\r\n../../src/node_buffer.cc: In function ‘void node::Buffer::{anonymous}::Fill(const v8::FunctionCallbackInfo\u003cv8::Value>&)’:\r\n../../src/node_buffer.cc:667:35: error: ‘start’ may be used uninitialized in this function [-Werror=maybe-uninitialized]\r\n  667 |   char* ptr = ts_obj_data + start + str_length;\r\n      |               ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~\r\ncc1plus: all warnings being treated as errors\r\n```","author":{"url":"https://github.com/targos","@type":"Person","name":"targos"},"datePublished":"2020-05-14T06:30:49Z","url":"https://github.com/nodejs/node/issues/33392"}