Update _LIBCPP_EXCEPTION_ABI doc with @mclow's feedback
llvm-svn: 281695
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 991c354b01bc17f866f76f188e57efbd72fbd11f
diff --git a/docs/DesignDocs/VisibilityMacros.rst b/docs/DesignDocs/VisibilityMacros.rst
index db98315..d6fdb28 100644
--- a/docs/DesignDocs/VisibilityMacros.rst
+++ b/docs/DesignDocs/VisibilityMacros.rst
@@ -84,8 +84,9 @@
**_LIBCPP_EXCEPTION_ABI**
Mark the member functions, typeinfo, and vtable of the type as being exported
by the libc++ library. This macro must be applied to all *exception types*.
- Exception types must be defined directly in namespace `std` and not the
- versioning namespace.
+ Exception types should be defined directly in namespace `std` and not the
+ versioning namespace. This allows throwing and catching some exception types
+ between libc++ and libstdc++.
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