[llvm-bugs] [Bug 46608] New: ASan failures within LLVM using new pass manager

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=46608

            Bug ID: 46608
           Summary: ASan failures within LLVM using new pass manager
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: jistone at redhat.com
          Reporter: aeubanks at google.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

$ cmake -G Ninja \
  -DCMAKE_INSTALL_PREFIX=${HOME}/${LLVM_INSTALL}/llvm-install-release \
  -DLLVM_ENABLE_ASSERTIONS=ON \
  -DCMAKE_BUILD_TYPE=Debug \
  -DCMAKE_C_COMPILER=clang  \
  -DCMAKE_CXX_COMPILER=clang++ \
  -DENABLE_EXPERIMENTAL_NEW_PASS_MANAGER=ON \
  -DLLVM_ENABLE_PROJECTS="clang;lld;compiler-rt;mlir" \
  -DLLVM_EXTERNAL_PROJECTS="clang;lld;compiler-rt;mlir" \
  -DLLVM_ENABLE_LLD=1 \
  -DLLVM_USE_SANITIZER=Address \
  ../llvm

$ ninja check-all

Some tests seem to fail when LLVM itself is built with ASan and when the new
pass manager is enabled. Likely there is some UB in LLVM.

Some examples:
  MLIR-Unit ::
Dialect/SPIRV/./MLIRSPIRVTests/DeserializationTest.EmptyModuleFailure
  Builtins-x86_64-linux :: absvdi2_test.c
  CRT-x86_64-linux :: ctor_dtor.c
  Clang :: Driver/fuse-ld.c

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