arm64: enable support for: str bN, [reg, reg etc]
and str hN, [reg, reg etc].  Fixes #337762.



git-svn-id: svn://svn.valgrind.org/vex/trunk@2943 8f6e269a-dfd6-0310-a8e1-e2731360e62c
diff --git a/priv/guest_arm64_toIR.c b/priv/guest_arm64_toIR.c
index 735373e..27d7b4c 100644
--- a/priv/guest_arm64_toIR.c
+++ b/priv/guest_arm64_toIR.c
@@ -4399,7 +4399,6 @@
                putQRegLO(tt, loadLE(Ity_I8, mkexpr(ea)));
                DIP("ldr %s, %s\n", nameQRegLO(tt, Ity_I8), dis_buf);
             } else {
-               vassert(0); //ATC
                storeLE(mkexpr(ea), getQRegLO(tt, Ity_I8));
                DIP("str %s, %s\n", nameQRegLO(tt, Ity_I8), dis_buf);
             }
@@ -4410,7 +4409,6 @@
                putQRegLO(tt, loadLE(Ity_I16, mkexpr(ea)));
                DIP("ldr %s, %s\n", nameQRegLO(tt, Ity_I16), dis_buf);
             } else {
-               vassert(0); //ATC
                storeLE(mkexpr(ea), getQRegLO(tt, Ity_I16));
                DIP("str %s, %s\n", nameQRegLO(tt, Ity_I16), dis_buf);
             }