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Comment has been added to fix (issue #1266)

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Antal Tátrai 2016-03-08 20:01:42 +01:00
parent 3cc35adb6d
commit e2fb1d9822
1 changed files with 4 additions and 0 deletions
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4
src/google/protobuf/map.h
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@ -548,6 +548,10 @@ class Map {
!defined(GOOGLE_PROTOBUF_OS_NACL) && !defined(GOOGLE_PROTOBUF_OS_ANDROID) !defined(GOOGLE_PROTOBUF_OS_NACL) && !defined(GOOGLE_PROTOBUF_OS_ANDROID)
template<class NodeType, class... Args> template<class NodeType, class... Args>
void construct(NodeType* p, Args&&... args) { void construct(NodeType* p, Args&&... args) {
// Clang 3.6 doesn't compile static casting to void* directly. (Issue #1266)
// According C++ standard 5.2.9/1: "The static_cast operator shall not cast
// away constness". So first the maybe const pointer is casted to const void* and
// after the const void* is const casted.
new (const_cast<void*>(static_cast<const void*>(p))) NodeType(std::forward<Args>(args)...); new (const_cast<void*>(static_cast<const void*>(p))) NodeType(std::forward<Args>(args)...);
} }