// Make sure the intrinsic headers compile cleanly with no warnings or errors.
// RUN: %clang_cc1 -ffreestanding -triple i386-unknown-unknown \
-// RUN: -Wextra -Werror -Wsystem-headers -Wsign-conversion -Wcast-qual \
-// RUN: -fsyntax-only -flax-vector-conversions=none -x c++ -verify %s
+// RUN: -Wextra -Werror -Wsystem-headers -Wsign-conversion -Wcast-qual -Wdocumentation \
+// RUN: -fsyntax-only -fretain-comments-from-system-headers -flax-vector-conversions=none -x c++ -verify %s
// RUN: %clang_cc1 -ffreestanding -triple x86_64-unknown-unknown \
-// RUN: -Wextra -Werror -Wsystem-headers -Wsign-conversion -Wcast-qual \
-// RUN: -fsyntax-only -flax-vector-conversions=none -x c++ -verify %s
+// RUN: -Wextra -Werror -Wsystem-headers -Wsign-conversion -Wcast-qual -Wdocumentation \
+// RUN: -fsyntax-only -fretain-comments-from-system-headers -flax-vector-conversions=none -x c++ -verify %s
// expected-no-diagnostics