[clang] Remove StableHash, now replaced by libSupport SipHash.

Author: ahmedbougacha

clang/include/clang/AST/StableHash.h

@@ -40,7 +40,6 @@
 #include "clang/AST/ParentMapContext.h"
 #include "clang/AST/RawCommentList.h"
 #include "clang/AST/RecordLayout.h"
-#include "clang/AST/StableHash.h"
 #include "clang/AST/Stmt.h"
 #include "clang/AST/StmtOpenACC.h"
 #include "clang/AST/TemplateBase.h"

clang/lib/AST/ASTContext.cpp

@@ -110,7 +110,6 @@ add_clang_library(clangAST
   RecordLayoutBuilder.cpp
   ScanfFormatString.cpp
   SelectorLocationsKind.cpp
-  StableHash.cpp
   Stmt.cpp
   StmtCXX.cpp
   StmtIterator.cpp

clang/lib/AST/CMakeLists.txt

@@ -48,7 +48,6 @@
 #include "clang/AST/OSLog.h"
 #include "clang/AST/OptionalDiagnostic.h"
 #include "clang/AST/RecordLayout.h"
-#include "clang/AST/StableHash.h"
 #include "clang/AST/StmtVisitor.h"
 #include "clang/AST/TypeLoc.h"
 #include "clang/Basic/Builtins.h"

clang/lib/AST/ExprConstant.cpp

@@ -14,7 +14,6 @@
 #include "CodeGenFunction.h"
 #include "CodeGenModule.h"
 #include "CGCall.h"
-#include "clang/AST/StableHash.h"
 #include "clang/CodeGen/CodeGenABITypes.h"
 #include "clang/CodeGen/ConstantInitBuilder.h"
 #include "llvm/Analysis/ValueTracking.h"