On Thu, 2016-01-21 at 10:06 -0800, Mike Stump wrote: > On Jan 21, 2016, at 9:29 AM, Dominique d'Humières <domi...@lps.ens.fr> wrote: > > // { dg-do run { target { ! { *-*-darwin* powerpc-ibm-aix* } } } } > > A comment to hint that this has something to do with weak undefined would be > nice.
Here's the patch I prepared (which indeed includes a comment). OK for trunk? I'm not quite sure whether this qualifies as a regression, but having an additional test that now fails is one I guess.
commit 0323fed14832e5744cbc63bcfeeb6728f7f13394 Author: Torvald Riegel <trie...@redhat.com> Date: Thu Jan 21 16:21:33 2016 +0100 libitm: Disable testing transaction-safe exceptions on Darwin and AIX. * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin or AIX. diff --git a/libitm/testsuite/libitm.c++/libstdc++-safeexc.C b/libitm/testsuite/libitm.c++/libstdc++-safeexc.C index 3e1655e..20e2e5e 100644 --- a/libitm/testsuite/libitm.c++/libstdc++-safeexc.C +++ b/libitm/testsuite/libitm.c++/libstdc++-safeexc.C @@ -2,7 +2,10 @@ // are indeed that. Thus, this also tests the transactional clones in // libstdc++ and libsupc++. -// { dg-do run } +// Not supported on Darwin nor AIX because those lack the support for +// weak references to undefined functions that we need in libstdc++ to make +// exceptions transaction-safe. +// { dg-do run { target { ! { *-*-darwin* powerpc-ibm-aix* } } } } #include <iostream> #include <exception>