[all-commits] [llvm/llvm-project] 633375: [llvm][DWARFLinker] Fix gcc 13 -Wuninitialized war...

[David Spickett via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 633375a29f52504b0b23a30bb767de521dd3e2a8
      https://github.com/llvm/llvm-project/commit/633375a29f52504b0b23a30bb767de521dd3e2a8
  Author: David Spickett <david.spickett at linaro.org>
  Date:   2025-06-12 (Thu, 12 Jun 2025)

  Changed paths:
    M llvm/lib/DWARFLinker/Parallel/OutputSections.h

  Log Message:
  -----------
  [llvm][DWARFLinker] Fix gcc 13 -Wuninitialized warnings (#143867)

A bit awkward that we have to switch from public to protected and back
again, but it seemed neater than putting OS all the way down at the
bottom. Since it is a public member that you're more likely to be
looking for.

llvm-project/llvm/lib/DWARFLinker/Parallel/OutputSections.h:157:67:
warning: member
‘llvm::dwarf_linker::parallel::SectionDescriptor::Contents’ is used
uninitialized [-Wuninitialized]

Which refers to the use in the constructor:
```
  SectionDescriptor(DebugSectionKind SectionKind, LinkingGlobalData &GlobalData,
                    dwarf::FormParams Format, llvm::endianness Endianess)
      : SectionDescriptorBase(SectionKind, Format, Endianess), OS(Contents),
```
Where Contents is passed to `OS`, before Contents has been constructed.



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