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wraymo
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Jun 26, 2025
…ger-overflow (facebookincubator#13831) Summary: Pull Request resolved: facebookincubator#13831 This avoids the following errors: ``` fbcode/third-party-buck/platform010/build/libgcc/include/c++/trunk/bits/std_abs.h:56:41: runtime error: negation of -9223372036854775808 cannot be represented in type 'long'; cast to an unsigned type to negate this value to itself #0 0x000000346ce5 in std::abs(long) fbcode/third-party-buck/platform010/build/libgcc/include/c++/trunk/bits/std_abs.h:56 #1 0x000000345879 in std::shared_ptr<facebook::velox::BiasVector<facebook::velox::test::EvalTypeHelper<long>::Type>> facebook::velox::test::VectorMaker::biasVector<long>(std::vector<std::optional<long>, std::allocator<std::optional<long>>> const&) fbcode/velox/vector/tests/utils/VectorMaker-inl.h:58 #2 0x000000344d34 in facebook::velox::test::BiasVectorErrorTest::errorTest(std::vector<std::optional<long>, std::allocator<std::optional<long>>>) fbcode/velox/vector/tests/BiasVectorTest.cpp:39 #3 0x00000033ec99 in facebook::velox::test::BiasVectorErrorTest_checkRangeTooLargeError_Test::TestBody() fbcode/velox/vector/tests/BiasVectorTest.cpp:44 #4 0x7fe0a2342c46 in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) fbsource/src/gtest.cc:2727 #5 0x7fe0a234275d in testing::Test::Run() fbsource/src/gtest.cc:2744 #6 0x7fe0a2345fb3 in testing::TestInfo::Run() fbsource/src/gtest.cc:2890 #7 0x7fe0a234c8eb in testing::TestSuite::Run() fbsource/src/gtest.cc:3068 #8 0x7fe0a237b52b in testing::internal::UnitTestImpl::RunAllTests() fbsource/src/gtest.cc:6059 #9 0x7fe0a237a0a2 in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) fbsource/src/gtest.cc:2727 #10 0x7fe0a23797f5 in testing::UnitTest::Run() fbsource/src/gtest.cc:5599 #11 0x7fe0a2239800 in RUN_ALL_TESTS() fbsource/gtest/gtest.h:2334 #12 0x7fe0a223952c in main fbcode/common/gtest/LightMain.cpp:20 #13 0x7fe09ec2c656 in __libc_start_call_main /home/engshare/third-party2/glibc/2.34/src/glibc-2.34/csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #14 0x7fe09ec2c717 in __libc_start_main@GLIBC_2.2.5 /home/engshare/third-party2/glibc/2.34/src/glibc-2.34/csu/../csu/libc-start.c:409:3 #15 0x00000033d8b0 in _start /home/engshare/third-party2/glibc/2.34/src/glibc-2.34/csu/../sysdeps/x86_64/start.S:116 UndefinedBehaviorSanitizer: signed-integer-overflow fbcode/third-party-buck/platform010/build/libgcc/include/c++/trunk/bits/std_abs.h:56:41 ``` Avoid overflow by using the expression (static_cast<uint64_t>(1) + ~static_cast<uint64_t>(min)) to calculate the absolute value of min without using std::abs Reviewed By: dmm-fb, peterenescu Differential Revision: D76901449 fbshipit-source-id: 7eb3bd0f83e42f44cdf34ea1759f3aa9e1042dae
anlowee
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July 11, 2025 21:19
20001020ycx
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Apr 10, 2026
…s for IR streams. (y-scope#4) * code complete * unit test * clang-format change
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Just for better display of changing files