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/lld/include/lld/Core/SymbolTable.h b/lld/include/lld/Core/SymbolTable.h
index cc2309a9068..9c39a6ed507 100644
--- a/lld/include/lld/Core/SymbolTable.h
+++ b/lld/include/lld/Core/SymbolTable.h
@@ -12,7 +12,7 @@
 
 #include "lld/Common/LLVM.h"
 #include "llvm/ADT/DenseSet.h"
-#include "llvm/Support/DJB.h"
+#include "llvm/ADT/StringExtras.h"
 #include <cstring>
 #include <map>
 #include <vector>
@@ -65,7 +65,7 @@ private:
     static StringRef getEmptyKey() { return StringRef(); }
     static StringRef getTombstoneKey() { return StringRef(" ", 1); }
     static unsigned getHashValue(StringRef const val) {
-      return llvm::djbHash(val);
+      return llvm::HashString(val);
     }
     static bool isEqual(StringRef const lhs, StringRef const rhs) {
       return lhs.equals(rhs);