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Fix a -Wunused-const-variable due to a bug in clang.

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llvm-svn: 277893
This commit is contained in:
Zachary Turner 2016-08-06 00:13:32 +00:00
parent 58e4d175cb
commit acb9d58b0c
1 changed files with 8 additions and 3 deletions
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11
include/llvm/Support/YAMLTraits.h
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@ -1388,6 +1388,11 @@ template <typename T> struct SequenceTraitsImpl {
/// Utility for declaring that a std::vector of a particular type
/// should be considered a YAML flow sequence.
/// We need to do a partial specialization on the vector version, not a full.
/// If this is a full specialization, the compiler is a bit too "smart" and
/// decides to warn on -Wunused-const-variable. This workaround can be
/// removed and we can do a full specialization on std::vector<T> once
/// PR28878 is fixed.
#define LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(_type) \
namespace llvm { \
namespace yaml { \
@ -1396,9 +1401,9 @@ template <typename T> struct SequenceTraitsImpl {
: public SequenceTraitsImpl<SmallVector<_type, N>> { \
static const bool flow = true; \
}; \
template <> \
struct SequenceTraits<std::vector<_type>> \
: public SequenceTraitsImpl<std::vector<_type>> { \
template <typename Allocator> \
struct SequenceTraits<std::vector<_type, Allocator>> \
: public SequenceTraitsImpl<std::vector<_type, Allocator>> { \
static const bool flow = true; \
}; \
} \