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| author | Jonathan Wakely <jwakely@redhat.com> | 2021-05-20 18:04:16 +0100 |
|---|---|---|
| committer | Jonathan Wakely <jwakely@redhat.com> | 2021-10-01 20:36:53 +0100 |
| commit | dc1b29508d765b874372f4b1737ac6dc86962506 (patch) | |
| tree | b1acb735a83e744ee45db840c82c467a27887051 | |
| parent | 59ffa3e3dba5a7805585c61dd4387c5644249d52 (diff) | |
| download | gcc-dc1b29508d765b874372f4b1737ac6dc86962506.zip gcc-dc1b29508d765b874372f4b1737ac6dc86962506.tar.gz gcc-dc1b29508d765b874372f4b1737ac6dc86962506.tar.bz2 | |
libstdc++: Fix narrowing conversion in std::visit
Signed-off-by: Jonathan Wakely <jwakely@redhat.com>
libstdc++-v3/ChangeLog:
* include/std/variant (__do_visit): Use variant_npos instead of
literal -1 that requires a narrowing conversion.
| -rw-r--r-- | libstdc++-v3/include/std/variant | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libstdc++-v3/include/std/variant b/libstdc++-v3/include/std/variant index ddeefd9..d50c6b7 100644 --- a/libstdc++-v3/include/std/variant +++ b/libstdc++-v3/include/std/variant @@ -1830,7 +1830,8 @@ namespace __variant if constexpr (is_same_v<_Result_type, __variant_idx_cookie> || is_same_v<_Result_type, __variant_cookie>) { - return __gen_vtable_impl<_Ma, index_sequence<-1>>:: + using _Npos = index_sequence<variant_npos>; + return __gen_vtable_impl<_Ma, _Npos>:: __visit_invoke(std::forward<_Visitor>(__visitor), std::forward<_V0>(__v0)); } |