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| author | dim <dim@FreeBSD.org> | 2014-03-17 20:42:45 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2014-03-17 20:42:45 +0000 |
| commit | f674f353eee112692d83f39cb1f07f1cbb25380a (patch) | |
| tree | a3b093a3a2b5ebd33df285e2764647ac9179618e /contrib/libc++ | |
| parent | 78a6a604266b47f384179179d5e7c8f3677dfb5d (diff) | |
| download | FreeBSD-src-f674f353eee112692d83f39cb1f07f1cbb25380a.zip FreeBSD-src-f674f353eee112692d83f39cb1f07f1cbb25380a.tar.gz | |
MFC r263120:
Pull in r201021 from upstream libc++ trunk:
Fix for PR18735 - self-assignment for map/multimap gives incorrect
results in C++03
(Please note: that is an LLVM PR identifier, not a FreeBSD one.)
Reported by: rakuco
Diffstat (limited to 'contrib/libc++')
| -rw-r--r-- | contrib/libc++/include/map | 20 | ||||
| -rw-r--r-- | contrib/libc++/include/unordered_map | 28 |
2 files changed, 28 insertions, 20 deletions
diff --git a/contrib/libc++/include/map b/contrib/libc++/include/map index 009e8e2..9779b70 100644 --- a/contrib/libc++/include/map +++ b/contrib/libc++/include/map @@ -884,10 +884,12 @@ public: #if __cplusplus >= 201103L __tree_ = __m.__tree_; #else - __tree_.clear(); - __tree_.value_comp() = __m.__tree_.value_comp(); - __tree_.__copy_assign_alloc(__m.__tree_); - insert(__m.begin(), __m.end()); + if (this != &__m) { + __tree_.clear(); + __tree_.value_comp() = __m.__tree_.value_comp(); + __tree_.__copy_assign_alloc(__m.__tree_); + insert(__m.begin(), __m.end()); + } #endif return *this; } @@ -1616,10 +1618,12 @@ public: #if __cplusplus >= 201103L __tree_ = __m.__tree_; #else - __tree_.clear(); - __tree_.value_comp() = __m.__tree_.value_comp(); - __tree_.__copy_assign_alloc(__m.__tree_); - insert(__m.begin(), __m.end()); + if (this != &__m) { + __tree_.clear(); + __tree_.value_comp() = __m.__tree_.value_comp(); + __tree_.__copy_assign_alloc(__m.__tree_); + insert(__m.begin(), __m.end()); + } #endif return *this; } diff --git a/contrib/libc++/include/unordered_map b/contrib/libc++/include/unordered_map index 78fee48..4e2298b 100644 --- a/contrib/libc++/include/unordered_map +++ b/contrib/libc++/include/unordered_map @@ -831,12 +831,14 @@ public: #if __cplusplus >= 201103L __table_ = __u.__table_; #else - __table_.clear(); - __table_.hash_function() = __u.__table_.hash_function(); - __table_.key_eq() = __u.__table_.key_eq(); - __table_.max_load_factor() = __u.__table_.max_load_factor(); - __table_.__copy_assign_alloc(__u.__table_); - insert(__u.begin(), __u.end()); + if (this != &__u) { + __table_.clear(); + __table_.hash_function() = __u.__table_.hash_function(); + __table_.key_eq() = __u.__table_.key_eq(); + __table_.max_load_factor() = __u.__table_.max_load_factor(); + __table_.__copy_assign_alloc(__u.__table_); + insert(__u.begin(), __u.end()); + } #endif return *this; } @@ -1567,12 +1569,14 @@ public: #if __cplusplus >= 201103L __table_ = __u.__table_; #else - __table_.clear(); - __table_.hash_function() = __u.__table_.hash_function(); - __table_.key_eq() = __u.__table_.key_eq(); - __table_.max_load_factor() = __u.__table_.max_load_factor(); - __table_.__copy_assign_alloc(__u.__table_); - insert(__u.begin(), __u.end()); + if (this != &__u) { + __table_.clear(); + __table_.hash_function() = __u.__table_.hash_function(); + __table_.key_eq() = __u.__table_.key_eq(); + __table_.max_load_factor() = __u.__table_.max_load_factor(); + __table_.__copy_assign_alloc(__u.__table_); + insert(__u.begin(), __u.end()); + } #endif return *this; } |
