[hwasan] Fix build breakage (-Wunused-function) in hwasan_interceptors.cpp (NFC)

In file included from /data/llvm-project/compiler-rt/lib/hwasan/hwasan_interceptors.cpp:141:
/data/llvm-project/compiler-rt/lib/hwasan/../sanitizer_common/sanitizer_common_interceptors.inc:1044:13: error: unused function 'write_iovec' [-Werror,-Wunused-function]
static void write_iovec(void *ctx, struct __sanitizer_iovec *iovec,
            ^
/data/llvm-project/compiler-rt/lib/hwasan/../sanitizer_common/sanitizer_common_interceptors.inc:1053:13: error: unused function 'read_iovec' [-Werror,-Wunused-function]
static void read_iovec(void *ctx, struct __sanitizer_iovec *iovec,
            ^
/data/llvm-project/compiler-rt/lib/hwasan/../sanitizer_common/sanitizer_common_interceptors.inc:10363:13: error: unused function 'InitializeCommonInterceptors' [-Werror,-Wunused-function]
static void InitializeCommonInterceptors() {
            ^
3 errors generated.

diff --git a/compiler-rt/lib/hwasan/hwasan_interceptors.cpp b/compiler-rt/lib/hwasan/hwasan_interceptors.cpp
index f5099c2..57df79d 100644 (file)
--- a/compiler-rt/lib/hwasan/hwasan_interceptors.cpp
+++ b/compiler-rt/lib/hwasan/hwasan_interceptors.cpp
@@ -138,7 +138,10 @@ using namespace __hwasan;
     (void)(name);                       \
   } while (false)
 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-function"
 #include "sanitizer_common/sanitizer_common_interceptors.inc"
+#pragma clang diagnostic pop
 
 struct ThreadStartArg {
   __sanitizer_sigset_t starting_sigset_;