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Interpreter: Hack around a series of bugs in MSVC 2012 that copies around this

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move-only struct.

I feel terrible now, but at least it's shielded away from proper compilers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217875 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2014-09-16 15:26:41 +00:00
parent cdb6326c1f
commit a9478c4a96
1 changed files with 9 additions and 3 deletions
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12
lib/ExecutionEngine/Interpreter/Interpreter.h
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@ -42,11 +42,17 @@ class AllocaHolder {
public:
AllocaHolder() {}
// Make this type move-only.
AllocaHolder(AllocaHolder &&RHS) : Allocations(std::move(RHS.Allocations)) {}
AllocaHolder &operator=(AllocaHolder &&RHS) {
Allocations = std::move(RHS.Allocations);
#if defined(_MSC_VER) && _MSC_VER < 1800
// Hack around bugs in MSVC 2012. It always tries to copy this class.
AllocaHolder(const AllocaHolder &RHS)
: Allocations(std::move(const_cast<AllocaHolder &>(RHS).Allocations)) {}
AllocaHolder &operator=(const AllocaHolder &RHS) {
Allocations = std::move(const_cast<AllocaHolder &>(RHS).Allocations);
return *this;
}
#else
AllocaHolder(AllocaHolder &&RHS) = default;
#endif
~AllocaHolder() {
for (void *Allocation : Allocations)