MingyuZhong commented on pull request #8143:
URL: https://github.com/apache/arrow/pull/8143#issuecomment-690539773


   > Ouch, this accidentally broke the ASAN/UBSAN build and I hadn't seen it 
because of other (unrelated) CI failures:
   > https://github.com/apache/arrow/runs/1093237142
   > 
   > ```
   > src/arrow/util/CMakeFiles/arrow-utility-test.dir/decimal_test.cc.o: In 
function `arrow::Decimal128Test_Multiply_Test::TestBody()':
   > /arrow/cpp/src/arrow/util/decimal_test.cc:935: undefined reference to 
`__muloti4'
   > clang: error: linker command failed with exit code 1 (use -v to see 
invocation)
   > ```
   
   I think we hit 
https://stackoverflow.com/questions/49793632/clang-fsanitize-undefined-with-128-integer-operations-undefined-reference-to
 . Is there a way to use compiler-rt for ASAN/UBSAN? If not, we can remove that 
line or revert to always use boost.


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