[all-commits] [llvm/llvm-project] 699ce1: [lldb] Fix crash missing MSInheritanceAttr with DW...

[Stefan Gränitz via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 699ce16b6284377e0cd9969b9f95e7367632a622
      https://github.com/llvm/llvm-project/commit/699ce16b6284377e0cd9969b9f95e7367632a622
  Author: Stefan Gränitz <stefan.graenitz at gmail.com>
  Date:   2024-10-23 (Wed, 23 Oct 2024)

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

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

Member pointers refer to data or function members of a `CXXRecordDecl` and
require a `MSInheritanceAttr` in order to be complete. Without that we
cannot calculate their size 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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