Update prebuilt Clang to r365631c1 from Android.
The version we had was segfaulting.
Bug: 132420445
Change-Id: Icb45a6fe0b4e2166f7895e669df1157cec9fb4e0
diff --git a/linux-x64/clang/include/llvm/Support/CheckedArithmetic.h b/linux-x64/clang/include/llvm/Support/CheckedArithmetic.h
index 8f7fbde..8a50e3d 100644
--- a/linux-x64/clang/include/llvm/Support/CheckedArithmetic.h
+++ b/linux-x64/clang/include/llvm/Support/CheckedArithmetic.h
@@ -49,6 +49,15 @@
return checkedOp(LHS, RHS, &llvm::APInt::sadd_ov);
}
+/// Subtract two signed integers \p LHS and \p RHS.
+/// \return Optional of sum if no signed overflow occurred,
+/// \c None otherwise.
+template <typename T>
+typename std::enable_if<std::is_signed<T>::value, llvm::Optional<T>>::type
+checkedSub(T LHS, T RHS) {
+ return checkedOp(LHS, RHS, &llvm::APInt::ssub_ov);
+}
+
/// Multiply two signed integers \p LHS and \p RHS.
/// \return Optional of product if no signed overflow occurred,
/// \c None otherwise.