--- lib/Support/Unix/Memory.inc.orig	2018-09-10 06:45:50 UTC
+++ lib/Support/Unix/Memory.inc
@@ -54,14 +54,14 @@ int getPosixProtectionFlags(unsigned Fla
       llvm::sys::Memory::MF_EXEC:
     return PROT_READ | PROT_WRITE | PROT_EXEC;
   case llvm::sys::Memory::MF_EXEC:
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__BSDSUniX__)
     // On PowerPC, having an executable page that has no read permission
     // can have unintended consequences.  The function InvalidateInstruction-
     // Cache uses instructions dcbf and icbi, both of which are treated by
     // the processor as loads.  If the page has no read permissions,
     // executing these instructions will result in a segmentation fault.
     // Somehow, this problem is not present on Linux, but it does happen
-    // on FreeBSD.
+    // on FreeBSD and BSDSUniX.
     return PROT_READ | PROT_EXEC;
 #else
     return PROT_EXEC;