[all-commits] [llvm/llvm-project] 44a114: [lldb/Dataformatters] Adapt C++ std::string datafo...

[Med Ismail Bennani via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 44a114fec715bd9c9b725c939a09de4b746108e3
      https://github.com/llvm/llvm-project/commit/44a114fec715bd9c9b725c939a09de4b746108e3
  Author: Med Ismail Bennani <medismail.bennani at gmail.com>
  Date:   2022-06-28 (Tue, 28 Jun 2022)

  Changed paths:
    M lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp

  Log Message:
  -----------
  [lldb/Dataformatters] Adapt C++ std::string dataformatter for D128285

This patch changes the C++ `std::string` dataformatter to reflect
internal layout changes following D128285.

Now, in short-mode strings, in order to access the `__size_` and
`__is_long_` attributes, we need to access a packed anonymous struct,
which introduces another indirection.

We need to do the same in order to access the `__cap_` field for
long-mode strings.

This should fix the various test failures that are happening on
GreenDragon:

https://green.lab.llvm.org/green/job/lldb-cmake/44918/

rdar://96010248

Differential Revision: https://reviews.llvm.org/D128694

Signed-off-by: Med Ismail Bennani <medismail.bennani at gmail.com>