Update prebuilt Clang to r416183b from Android.
https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef
clang 12.0.5 (based on r416183b) from build 7284624.
Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/include/clang-tidy/bugprone/VirtualNearMissCheck.h b/linux-x64/clang/include/clang-tidy/bugprone/VirtualNearMissCheck.h
new file mode 100644
index 0000000..69ae278
--- /dev/null
+++ b/linux-x64/clang/include/clang-tidy/bugprone/VirtualNearMissCheck.h
@@ -0,0 +1,67 @@
+//===--- VirtualNearMissCheck.h - clang-tidy---------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_VIRTUAL_NEAR_MISS_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_VIRTUAL_NEAR_MISS_H
+
+#include "../ClangTidyCheck.h"
+#include "llvm/ADT/DenseMap.h"
+
+namespace clang {
+namespace tidy {
+namespace bugprone {
+
+/// Checks for near miss of virtual methods.
+///
+/// For a method in a derived class, this check looks for virtual method with a
+/// very similar name and an identical signature defined in a base class.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone-virtual-near-miss.html
+class VirtualNearMissCheck : public ClangTidyCheck {
+public:
+ VirtualNearMissCheck(StringRef Name, ClangTidyContext *Context)
+ : ClangTidyCheck(Name, Context) {}
+ bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
+ return LangOpts.CPlusPlus;
+ }
+ void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+ void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+
+private:
+ /// Check if the given method is possible to be overridden by some other
+ /// method. Operators and destructors are excluded.
+ ///
+ /// Results are memoized in PossibleMap.
+ bool isPossibleToBeOverridden(const CXXMethodDecl *BaseMD);
+
+ /// Check if the given base method is overridden by some methods in the given
+ /// derived class.
+ ///
+ /// Results are memoized in OverriddenMap.
+ bool isOverriddenByDerivedClass(const CXXMethodDecl *BaseMD,
+ const CXXRecordDecl *DerivedRD);
+
+ /// Key: the unique ID of a method.
+ /// Value: whether the method is possible to be overridden.
+ llvm::DenseMap<const CXXMethodDecl *, bool> PossibleMap;
+
+ /// Key: <unique ID of base method, name of derived class>
+ /// Value: whether the base method is overridden by some method in the derived
+ /// class.
+ llvm::DenseMap<std::pair<const CXXMethodDecl *, const CXXRecordDecl *>, bool>
+ OverriddenMap;
+
+ const unsigned EditDistanceThreshold = 1;
+};
+
+} // namespace bugprone
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_VIRTUAL_NEAR_MISS_H