On Thu, Aug 6, 2015 at 1:56 PM, David Majnemer via cfe-commits
<cfe-commits@lists.llvm.org> wrote:
> Author: majnemer
> Date: Thu Aug 6 15:56:55 2015
> New Revision: 244266
>
> URL: http://llvm.org/viewvc/llvm-project?rev=244266&view=rev
> Log:
> [ItaniumCXXABI] Don't import RTTI data for classes with key functions
>
> MinGW has some pretty strange behvaior around RTTI and
> dllimport/dllexport:
> - RTTI data is never imported
> - RTTI data is only exported if the class has no key function.
>
> Modified:
> cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp
> cfe/trunk/test/CodeGenCXX/dllimport-rtti.cpp
I tried to merge this to 3.7 (as discussed on the commit thread for
r244488), but the test doesn't pass:
--
/usr/local/google/work/llvm-3.7/cfe.src/test/CodeGenCXX/dllimport-rtti.cpp:22:13:
error: expected string not found in input
// GNU-DAG: @_ZTV1V = available_externally dllimport
^
<stdin>:1:1: note: scanning from here
; ModuleID =
'/usr/local/google/work/llvm-3.7/cfe.src/test/CodeGenCXX/dllimport-rtti.cpp'
^
<stdin>:15:1: note: possible intended match here
@_ZTV1S = available_externally dllimport unnamed_addr constant [3 x
i8*] [i8* null, i8* bitcast (i8** @_ZTI1S to i8*), i8* bitcast (void
(%struct.S*)* @_ZN1S1fEv to i8*)], align 4
^
--
I assume there's some other commit this depends on, but I haven't been
able to figure out which. Can you take a look?
Thanks,
Hans
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