[cfe-commits] r110192 - in /cfe/trunk: lib/CodeGen/CGRTTI.cpp lib/CodeGen/CGVTables.cpp lib/CodeGen/CodeGenModule.cpp lib/CodeGen/CodeGenModule.h test/CodeGenCXX/exceptions-no-rtti.cpp test/CodeGenCXX/rtti-fundamental.cpp test/CodeGenCXX/rtti-linkage.cpp test/CodeGenCXX/vtable-linkage.cpp test/SemaCXX/typeid-ref.cpp

Chris Lattner clattner at apple.com
Wed Aug 4 09:55:57 PDT 2010

On Aug 4, 2010, at 1:34 AM, John McCall wrote:

> Author: rjmccall
> Date: Wed Aug  4 03:34:44 2010
> New Revision: 110192
> URL: http://llvm.org/viewvc/llvm-project?rev=110192&view=rev
> Log:
> Emit standard-library RTTI with external linkage, not weak_odr.
> Apply hidden visibility to most RTTI;  libstdc++ does not rely on exact
> pointer equality for the type info (just the type info names).  Apply
> the same optimization to RTTI that we do to vtables.

Are you sure about that John?  I could have sworn that libstdc++ does pointer equality checks, guarded by a macro, which is enabled in the darwin libstdc++.


More information about the cfe-commits mailing list