[jira] [Created] (ARROW-17775) [C++] LLVM deprecation errors when building Gandiva

["Antoine Pitrou (Jira)" <ji...@apache.org>]

Antoine Pitrou created ARROW-17775:
--------------------------------------

             Summary: [C++] LLVM deprecation errors when building Gandiva
                 Key: ARROW-17775
                 URL: https://issues.apache.org/jira/browse/ARROW-17775
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++, C++ - Gandiva, Continuous Integration
            Reporter: Antoine Pitrou


This just appeared on an unrelated PR:

[https://github.com/apache/arrow/actions/runs/3084066139/jobs/4985765033#step:9:1694]

{code}
In file included from /Users/runner/work/arrow/arrow/cpp/src/gandiva/cast_time.cc:25:
In file included from /Users/runner/work/arrow/arrow/cpp/src/gandiva/exported_funcs.h:20:
In file included from /Users/runner/work/arrow/arrow/cpp/src/gandiva/exported_funcs_registry.h:23:
In file included from /Users/runner/work/arrow/arrow/cpp/src/gandiva/engine.h:29:
/Users/runner/work/arrow/arrow/cpp/src/gandiva/llvm_includes.h:49:62: error: 'getPointerElementType' is deprecated: Deprecated without replacement, see https://llvm.org/docs/OpaquePointers.html for context and migration instructions [-Werror,-Wdeprecated-declarations]
  return builder->CreateGEP(Ptr->getType()->getScalarType()->getPointerElementType(), Ptr,
                                                             ^
/usr/local/opt/llvm/include/llvm/IR/Type.h:377:5: note: 'getPointerElementType' has been explicitly marked deprecated here
  [[deprecated("Deprecated without replacement, see "
    ^
{code}




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