问当UBSAN (-fsanitize=undefined)发现未定义的行为时触发测试失败

EN

#include <gtest/gtest.h>

TEST(test, test)
{
    int k = 0x7fffffff;
    k += 1; // cause integer overflow
}

GTEST_API_ int main(int argc, char** argv)
{
    testing::InitGoogleTest(&argc, argv);
    return RUN_ALL_TESTS();
}

cmake_minimum_required (VERSION 3.12)
project(ub CXX)

find_package(GTest REQUIRED)

add_executable        (ub_test ub_test.cpp)
target_link_libraries (ub_test GTest::GTest)
target_compile_options(ub_test PRIVATE -fsanitize=undefined)
target_link_options   (ub_test PRIVATE -fsanitize=undefined)