[all-commits] [llvm/llvm-project] 76edf7: Reland: [lldb] Fix crash missing MSInheritanceAttr...

[Stefan Gränitz via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 76edf72501cd6f66788c631fada95972a797a4a6
      https://github.com/llvm/llvm-project/commit/76edf72501cd6f66788c631fada95972a797a4a6
  Author: Stefan Gränitz <stefan.graenitz at gmail.com>
  Date:   2024-10-24 (Thu, 24 Oct 2024)

  Changed paths:
    M lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp
    A lldb/test/Shell/SymbolFile/DWARF/x86/member-pointers.cpp

  Log Message:
  -----------
  Reland: [lldb] Fix crash missing MSInheritanceAttr with DWARF on Windows (#112928)

Member pointers refer to data or function members of a `CXXRecordDecl`,
which require a `MSInheritanceAttr` in order to be complete. Without that
we cannot calculate the size of a member pointer in memory. The attempt
has been causing a crash further down in the clang AST context. In order
to implement the feature, DWARF will need a new attribtue to convey the
information. For the moment, this patch teaches LLDB to handle to
situation and avoid the crash.



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