From ee239df351f486a23793e637125965a3c0c3987f Mon Sep 17 00:00:00 2001
From: Andrew Kryczka <andrewkr@fb.com>
Date: Mon, 11 Oct 2021 13:04:25 -0700
Subject: [PATCH] Initialize cache dumper `DumpUnit` in constructor (#9014)

Summary:
Should fix clang-analyze:

```
utilities/cache_dump_load_impl.cc:296:38: warning: The left operand of '!=' is a garbage value
  while (io_s.ok() && dump_unit.type != CacheDumpUnitType::kFooter) {
                      ~~~~~~~~~~~~~~ ^
```

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9014

Reviewed By: zhichao-cao

Differential Revision: D31546912

Pulled By: ajkr

fbshipit-source-id: a2e0dc7874e8c1c6abf190862b5d49e6a6ad6d01
---
 utilities/cache_dump_load_impl.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/utilities/cache_dump_load_impl.h b/utilities/cache_dump_load_impl.h
index f799863b2..28dba671d 100644
--- a/utilities/cache_dump_load_impl.h
+++ b/utilities/cache_dump_load_impl.h
@@ -79,6 +79,8 @@ struct DumpUnit {
   // address of the begin of the block in this string.
   void* value;
 
+  DumpUnit() { reset(); }
+
   void reset() {
     timestamp = 0;
     type = CacheDumpUnitType::kBlockTypeMax;