--- old/src/os_cpu/linux_x86/vm/os_linux_x86.cpp	2019-08-28 12:02:32.000000000 -0700
+++ new/src/os_cpu/linux_x86/vm/os_linux_x86.cpp	2019-08-28 12:02:31.000000000 -0700
@@ -541,6 +541,7 @@
   err.report_and_die();
 
   ShouldNotReachHere();
+  return true; // Mute compiler
 }
 
 void os::Linux::init_thread_fpu_state(void) {