[llvm-bugs] [Bug 45550] New: compiling AcquireCrashStateTest.cpp for i386 reports "__x86.get_pc_thunk.bx defined in discarded section `.text.__x86.get_pc_thunk.bx[__x86.get_pc_thunk.bx]' " when make check-fuzzer

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=45550

            Bug ID: 45550
           Summary: compiling AcquireCrashStateTest.cpp for i386 reports
                    "__x86.get_pc_thunk.bx defined in discarded section
                    `.text.__x86.get_pc_thunk.bx[__x86.get_pc_thunk.bx]' "
                    when make check-fuzzer
           Product: compiler-rt
           Version: 10.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: compiler-rt
          Assignee: unassignedbugs at nondot.org
          Reporter: wenzhizhuanhust at hotmail.com
                CC: llvm-bugs at lists.llvm.org

overview
  In test of make check-fuzzer, It report linking error when compile
AcquireCrashStateTest.cpp.
  messages like "multiple definition of `__addvdi3'" for i386

Steps to Reproduce
  1.git clone https://github.com/llvm/llvm-project.git
  2.cd llvm-project
  3.mkdir build
  4.cd build
  5.cmake -DLLVM_ENABLE_PROJECTS="clang;compiler-rt;libcxx;libcxxabi" -G "Unix
Makefiles" ../llvm
  6.make
  7.make check-fuzzer VERBOSE=1

Actual Results
  test reports test fail and shows linking error message.

  : 'RUN: at line 1';     /export/users/llvm-project/build/./bin/clang 
--driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer
-I/export/users/llvm-project/compiler-rt/lib/fuzzer -m32
/export/users/llvm-project/compiler-rt/test/fuzzer/AcquireCrashStateTest.cpp -o
/export/users/llvm-project/build/projects/compiler-rt/test/fuzzer/I386StaticLibcxxLinuxConfig/Output/acquire-crash-state.test.tmp

  /usr/lib/gcc/x86_64-redhat-linux/8/32/libgcc.a(_addvdi3.o): In function
`__addvdi3':
(.text+0x0): multiple definition of `__addvdi3'
  `__x86.get_pc_thunk.bx' referenced in section `.text' of
/export/users/llvm-project/build/lib/clang/11.0.0/lib/linux/libclang_rt.fuzzer-i386.a(fuzzer.o):
defined in discarded section
`.text.__x86.get_pc_thunk.bx[__x86.get_pc_thunk.bx]' of
/export/users/llvm-project/build/lib/clang/11.0.0/lib/linux/libclang_rt.fuzzer-i386.a(fuzzer.o)

Expected Results
  acquire-crash-state.test.tmp should be created.

Build Date & Hardware
  Build 2020-04-12 on RHEL8 for x86_64

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