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https://issues.apache.org/jira/browse/ARROW-14007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ARROW-14007:
-----------------------------------
Labels: pull-request-available (was: )
> [C++] Fix compiler warnings in decimal promotion machinery
> ----------------------------------------------------------
>
> Key: ARROW-14007
> URL: https://issues.apache.org/jira/browse/ARROW-14007
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: David Li
> Assignee: David Li
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {noformat}
> /home/lidavidm/Code/upstream/arrow-12671/cpp/src/arrow/result.h:452:30:
> warning: 'left_scaleup' may be used uninitialized in this function
> [-Wmaybe-uninitialized]
> 452 | auto&& result_name = (rexpr);
> \
> | ^
> /home/lidavidm/Code/upstream/arrow-12671/cpp/src/arrow/compute/kernels/codegen_internal.cc:388:11:
> note: 'left_scaleup' was declared here
> 388 | int32_t left_scaleup, right_scaleup;
> | ^~~~~~~~~~~~
> In file included from
> /home/lidavidm/Code/upstream/arrow-12671/cpp/src/arrow/array/data.h:27,
> from
> /home/lidavidm/Code/upstream/arrow-12671/cpp/src/arrow/array/array_base.h:26,
> from
> /home/lidavidm/Code/upstream/arrow-12671/cpp/src/arrow/array/builder_binary.h:30,
> from
> /home/lidavidm/Code/upstream/arrow-12671/cpp/src/arrow/compute/kernels/codegen_internal.h:27,
> from
> /home/lidavidm/Code/upstream/arrow-12671/cpp/src/arrow/compute/kernels/codegen_internal.cc:18:
> /home/lidavidm/Code/upstream/arrow-12671/cpp/src/arrow/result.h:452:30:
> warning: 'right_scaleup' may be used uninitialized in this function
> [-Wmaybe-uninitialized]
> 452 | auto&& result_name = (rexpr);
> \
> | ^
> /home/lidavidm/Code/upstream/arrow-12671/cpp/src/arrow/compute/kernels/codegen_internal.cc:388:25:
> note: 'right_scaleup' was declared here
> 388 | int32_t left_scaleup, right_scaleup;
> {noformat}
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