diff --git a/include/rapidjson/internal/dtoa.h b/include/rapidjson/internal/dtoa.h
index a2f8aae..044e2fb 100644
--- a/include/rapidjson/internal/dtoa.h
+++ b/include/rapidjson/internal/dtoa.h
@@ -16,6 +16,11 @@
 namespace rapidjson {
 namespace internal {
 
+#ifdef __GNUC__
+RAPIDJSON_DIAG_PUSH
+RAPIDJSON_DIAG_OFF(effc++)
+#endif
+
 struct DiyFp {
 	DiyFp() {}
 
@@ -408,6 +413,10 @@ inline char* dtoa(double value, char* buffer) {
 	}
 }
 
+#ifdef __GNUC__
+RAPIDJSON_DIAG_POP
+#endif
+
 } // namespace internal
 } // namespace rapidjson