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Fix errors in clang-analyzer builds 

Summary:
Fix build error in db_iter.cc when running clang-analyzer.
```
  CC       db/db_iter.o
db/db_iter.cc:938:21: error: no matching constructor for initialization of 'rocksdb::ParsedInternalKey'
  ParsedInternalKey ikey(Slice(), 0, 0);
                    ^    ~~~~~~~~~~~~~
./db/dbformat.h:84:3: note: candidate constructor not viable: no known conversion from 'int' to 'rocksdb::ValueType' for 3rd argument
  ParsedInternalKey(const Slice& u, const SequenceNumber& seq, ValueType t)
  ^
./db/dbformat.h:78:8: note: candidate constructor (the implicit copy constructor) not viable: requires 1 argument, but 3 were provided
struct ParsedInternalKey {
       ^
./db/dbformat.h:78:8: note: candidate constructor (the implicit move constructor) not viable: requires 1 argument, but 3 were provided
./db/dbformat.h:83:3: note: candidate constructor not viable: requires 0 arguments, but 3 were provided
  ParsedInternalKey() { }  // Intentionally left uninitialized (for speed)
  ^
1 error generated.
```
Closes https://github.com/facebook/rocksdb/pull/2354

Differential Revision: D5115751

Pulled By: sagar0

fbshipit-source-id: b0e386d4e935e4725b07761c3ca5f7a8cbde3692
This commit is contained in:
Sagar Vemuri 2017-05-23 14:57:32 -07:00 committed by Facebook Github Bot
parent 85b8569ae8
commit 7d8207f1f2
1 changed files with 0 additions and 5 deletions
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5
db/db_iter.cc
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@ -933,12 +933,7 @@ void DBIter::FindPrevUserKey() {
return;
}
size_t num_skipped = 0;
// Suppress false positive clang analyzer warnings.
#ifdef __clang_analyzer__
ParsedInternalKey ikey(Slice(), 0, 0);
#else
ParsedInternalKey ikey;
#endif // __clang_analyzer__
FindParseableKey(&ikey, kReverse);
int cmp;
while (iter_->Valid() &&