Revert "[Support] Replace HashString with djbHash."

It looks like some of our tests depend on the ordering of hashed values.
I'm reverting my changes while I try to reproduce and fix this locally.

Failing builds:

  lab.llvm.org:8011/builders/lld-x86_64-darwin13/builds/18388
  lab.llvm.org:8011/builders/clang-cmake-x86_64-sde-avx512-linux/builds/6743
  lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast/builds/15607

llvm-svn: 326082

1 files changed, 2 insertions, 2 deletions

diff --git a/lldb/source/Utility/ConstString.cpp b/lldb/source/Utility/ConstString.cpp
index 2ee5f67e4e6..49cf8a6d864 100644
--- a/lldb/source/Utility/ConstString.cpp
+++ b/lldb/source/Utility/ConstString.cpp
@@ -11,10 +11,10 @@
 
 #include "lldb/Utility/Stream.h"
 
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/iterator.h"            // for iterator_facade_base
 #include "llvm/Support/Allocator.h"       // for BumpPtrAllocator
-#include "llvm/Support/DJB.h"             // for djbHash
 #include "llvm/Support/FormatProviders.h" // for format_provider
 #include "llvm/Support/RWMutex.h"
 #include "llvm/Support/Threading.h"
@@ -171,7 +171,7 @@ public:
 
 protected:
   uint8_t hash(const llvm::StringRef &s) const {
-    uint32_t h = llvm::djbHash(s);
+    uint32_t h = llvm::HashString(s);
     return ((h >> 24) ^ (h >> 16) ^ (h >> 8) ^ h) & 0xff;
   }