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| author | Jonathan Wakely <jwakely@redhat.com> | 2016-09-28 11:57:46 +0100 |
|---|---|---|
| committer | Jonathan Wakely <redi@gcc.gnu.org> | 2016-09-28 11:57:46 +0100 |
| commit | 1b4be62ad3e153d2e4eda115698cbf33fca09781 (patch) | |
| tree | 616bc7f64beaee581cacfa983431cbc360c93228 /libstdc++-v3 | |
| parent | 1f5638916419d13d302d37c5fe4210d34417cc19 (diff) | |
| download | gcc-1b4be62ad3e153d2e4eda115698cbf33fca09781.zip gcc-1b4be62ad3e153d2e4eda115698cbf33fca09781.tar.gz gcc-1b4be62ad3e153d2e4eda115698cbf33fca09781.tar.bz2 | |
libstdc++/77686 use may_alias for std::function storage
PR libstdc++/77686
* include/std/functional (_Any_data): Add may_alias attribute.
From-SVN: r240567
Diffstat (limited to 'libstdc++-v3')
| -rw-r--r-- | libstdc++-v3/ChangeLog | 5 | ||||
| -rw-r--r-- | libstdc++-v3/include/std/functional | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 69ec081..8c11aad 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,8 @@ +2016-09-28 Jonathan Wakely <jwakely@redhat.com> + + PR libstdc++/77686 + * include/std/functional (_Any_data): Add may_alias attribute. + 2016-09-27 Jonathan Wakely <jwakely@redhat.com> * doc/xml/manual/status_cxx2017.xml: Update status. diff --git a/libstdc++-v3/include/std/functional b/libstdc++-v3/include/std/functional index 8b2389c..74e65c7 100644 --- a/libstdc++-v3/include/std/functional +++ b/libstdc++-v3/include/std/functional @@ -1401,7 +1401,7 @@ _GLIBCXX_MEM_FN_TRAITS(&&, false_type, true_type) void (_Undefined_class::*_M_member_pointer)(); }; - union _Any_data + union [[gnu::may_alias]] _Any_data { void* _M_access() { return &_M_pod_data[0]; } const void* _M_access() const { return &_M_pod_data[0]; } |