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| -rw-r--r-- | clang/docs/MSVCCompatibility.rst | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/clang/docs/MSVCCompatibility.rst b/clang/docs/MSVCCompatibility.rst index 683ce937b45..2a7f7b15bc4 100644 --- a/clang/docs/MSVCCompatibility.rst +++ b/clang/docs/MSVCCompatibility.rst @@ -43,14 +43,14 @@ ABI features The status of major ABI-impacting C++ features: -* Record layout: :good:`Mostly complete`. We've tested this with a fuzzer, and - most of the remaining failures involve ``#pragma pack``, - ``__declspec(align(N))``, or other pragmas. +* Record layout: :good:`Complete`. We've tested this with a fuzzer and have + fixed all known bugs. * Class inheritance: :good:`Mostly complete`. This covers all of the standard OO features you would expect: virtual method inheritance, multiple inheritance, and virtual inheritance. Every so often we uncover a bug where - our tables are incompatible, but this is pretty well in hand. + our tables are incompatible, but this is pretty well in hand. This feature + has also been fuzz tested. * Name mangling: :good:`Ongoing`. Every new C++ feature generally needs its own mangling. For example, member pointer template arguments have an interesting @@ -78,23 +78,21 @@ The status of major ABI-impacting C++ features: enabling stack traces in all modern Windows debuggers. Clang does not emit any type info or description of variable layout. -* `RTTI`_: :none:`Unstarted`. See the bug for a discussion of what needs to - happen first. - -.. _RTTI: http://llvm.org/PR18951 +* `RTTI`_: :good:`Complete`. Generation of RTTI data structures has been + finished, along with support for the ``/GR`` flag. * Exceptions and SEH: :none:`Unstarted`. Clang can parse both constructs, but does not know how to emit compatible handlers. This depends on RTTI. * Thread-safe initialization of local statics: :none:`Unstarted`. We are ABI - compatible with MSVC 2012, which does not support thread-safe local statics. - MSVC 2013 changed the ABI to make initialization of local statics thread safe, + compatible with MSVC 2013, which does not support thread-safe local statics. + MSVC "14" changed the ABI to make initialization of local statics thread safe, and we have not yet implemented this. -* Lambdas in ABI boundaries: :none:`Infeasible`. It is unlikely that we will - ever be fully ABI compatible with lambdas declared in inline functions due to - what appears to be a hash code in the name mangling. Lambdas that are not - externally visible should work fine. +* Lambdas: :none:`Mostly complete`. Clang is compatible with Microsoft's + implementation of lambdas except for providing overloads for conversion to + function pointer for different calling conventions. However, Microsoft's + extension is non-conforming. Template instantiation and name lookup ====================================== |
