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Memory leak in VPBasicBlockTest #114623

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@vitalybuka

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@vitalybuka

https://lab.llvm.org/buildbot/#/builders/169/builds/4879/steps/10/logs/stdio

==3347295==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 128 byte(s) in 1 object(s) allocated from:
    #0 0x6523f9284d6d in operator new(unsigned long) /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/compiler-rt/lib/asan/asan_new_delete.cpp:86:3
    #1 0x6523f92fcea1 in llvm::(anonymous namespace)::VPBasicBlockTest_print_Test::TestBody() /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/unittests/Transforms/Vectorize/VPlanTest.cpp:735:38
    #2 0x6523f9df70bc in testing::Test::Run() /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/third-party/unittest/googletest/src/gtest.cc:2687:5
    #3 0x6523f9df8d34 in testing::TestInfo::Run() /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/third-party/unittest/googletest/src/gtest.cc:2836:11
    #4 0x6523f9dfa9cf in testing::TestSuite::Run() /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/third-party/unittest/googletest/src/gtest.cc:3015:30
    #5 0x6523f9e1b81b in testing::internal::UnitTestImpl::RunAllTests() /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/third-party/unittest/googletest/src/gtest.cc:5920:44
    #6 0x6523f9e19d40 in testing::UnitTest::Run() /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/third-party/unittest/googletest/src/gtest.cc:5484:10
    #7 0x6523f9dd407e in RUN_ALL_TESTS /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/third-party/unittest/googletest/include/gtest/gtest.h:2317:73
    #8 0x6523f9dd407e in main /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/third-party/unittest/UnitTestMain/TestMain.cpp:55:10
    #9 0x7ea665a2a3b7  (/lib/x86_64-linux-gnu/libc.so.6+0x2a3b7) (BuildId: 5f3f024b472f38389da3a2f567b3d0eaa8835ca2)
    #10 0x7ea665a2a47a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a47a) (BuildId: 5f3f024b472f38389da3a2f567b3d0eaa8835ca2)
    #11 0x6523f91b1144 in _start (/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/unittests/Transforms/Vectorize/VectorizeTests+0xae9144)

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