1 files changed, 0 insertions, 96 deletions
diff --git a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/ArrayBoundChecker.cpp b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/ArrayBoundChecker.cpp
deleted file mode 100644
index 58017acb4a24..000000000000
--- a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/ArrayBoundChecker.cpp
+++ /dev/null
@@ -1,96 +0,0 @@
-//== ArrayBoundChecker.cpp ------------------------------*- C++ -*--==//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines ArrayBoundChecker, which is a path-sensitive check
-// which looks for an out-of-bound array element access.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/StaticAnalyzer/Checkers/BuiltinCheckerRegistration.h"
-#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
-#include "clang/StaticAnalyzer/Core/Checker.h"
-#include "clang/StaticAnalyzer/Core/CheckerManager.h"
-#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
-#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h"
-
-using namespace clang;
-using namespace ento;
-
-namespace {
-class ArrayBoundChecker :
-    public Checker<check::Location> {
-  mutable std::unique_ptr<BuiltinBug> BT;
-
-public:
-  void checkLocation(SVal l, bool isLoad, const Stmt* S,
-                     CheckerContext &C) const;
-};
-}
-
-void ArrayBoundChecker::checkLocation(SVal l, bool isLoad, const Stmt* LoadS,
-                                      CheckerContext &C) const {
-  // Check for out of bound array element access.
-  const MemRegion *R = l.getAsRegion();
-  if (!R)
-    return;
-
-  const ElementRegion *ER = dyn_cast<ElementRegion>(R);
-  if (!ER)
-    return;
-
-  // Get the index of the accessed element.
-  DefinedOrUnknownSVal Idx = ER->getIndex().castAs<DefinedOrUnknownSVal>();
-
-  // Zero index is always in bound, this also passes ElementRegions created for
-  // pointer casts.
-  if (Idx.isZeroConstant())
-    return;
-
-  ProgramStateRef state = C.getState();
-
-  // Get the size of the array.
-  DefinedOrUnknownSVal NumElements
-    = C.getStoreManager().getSizeInElements(state, ER->getSuperRegion(),
-                                            ER->getValueType());
-
-  ProgramStateRef StInBound = state->assumeInBound(Idx, NumElements, true);
-  ProgramStateRef StOutBound = state->assumeInBound(Idx, NumElements, false);
-  if (StOutBound && !StInBound) {
-    ExplodedNode *N = C.generateErrorNode(StOutBound);
-    if (!N)
-      return;
-
-    if (!BT)
-      BT.reset(new BuiltinBug(
-          this, "Out-of-bound array access",
-          "Access out-of-bound array element (buffer overflow)"));
-
-    // FIXME: It would be nice to eventually make this diagnostic more clear,
-    // e.g., by referencing the original declaration or by saying *why* this
-    // reference is outside the range.
-
-    // Generate a report for this bug.
-    auto report = llvm::make_unique<BugReport>(*BT, BT->getDescription(), N);
-
-    report->addRange(LoadS->getSourceRange());
-    C.emitReport(std::move(report));
-    return;
-  }
-
-  // Array bound check succeeded.  From this point forward the array bound
-  // should always succeed.
-  C.addTransition(StInBound);
-}
-
-void ento::registerArrayBoundChecker(CheckerManager &mgr) {
-  mgr.registerChecker<ArrayBoundChecker>();
-}
-
-bool ento::shouldRegisterArrayBoundChecker(const LangOptions &LO) {
-  return true;
-}