Index: libphobos/libdruntime/core/sys/posix/setjmp.d
--- libphobos/libdruntime/core/sys/posix/setjmp.d.orig
+++ libphobos/libdruntime/core/sys/posix/setjmp.d
@@ -265,6 +265,10 @@ else version (OpenBSD)
     {
         enum _JBLEN = 100;
     }
+    else version (PPC64)
+    {
+        enum _JBLEN = 208;
+    }
     else version (MIPS64)
     {
         enum _JBLEN = 83;
@@ -276,6 +280,10 @@ else version (OpenBSD)
     else version (SPARC64)
     {
         enum _JBLEN = 14;
+    }
+    else version (AArch64)
+    {
+        enum _JBLEN = 64;
     }
     else
         static assert(0);
