Index: VirtualBox-5.2.22/src/VBox/Runtime/r3/linux/semevent-linux.cpp
===================================================================
--- VirtualBox-5.2.22.orig/src/VBox/Runtime/r3/linux/semevent-linux.cpp
+++ VirtualBox-5.2.22/src/VBox/Runtime/r3/linux/semevent-linux.cpp
@@ -37,7 +37,7 @@
  * against glibc < 2.6.
  */
 #include "../posix/semevent-posix.cpp"
-asm volatile (".global epoll_pwait");
+asm (".global epoll_pwait");
 
 #else /* glibc < 2.6 */
 
Index: VirtualBox-5.2.22/src/VBox/Runtime/r3/linux/semeventmulti-linux.cpp
===================================================================
--- VirtualBox-5.2.22.orig/src/VBox/Runtime/r3/linux/semeventmulti-linux.cpp
+++ VirtualBox-5.2.22/src/VBox/Runtime/r3/linux/semeventmulti-linux.cpp
@@ -39,7 +39,7 @@
  * against glibc < 2.6.
  */
 #include "../posix/semeventmulti-posix.cpp"
-asm volatile (".global epoll_pwait");
+asm (".global epoll_pwait");
 
 #else /* glibc < 2.6 */