Remove a few dead assignments.


git-svn-id: svn://svn.valgrind.org/vex/trunk@3045 8f6e269a-dfd6-0310-a8e1-e2731360e62c
diff --git a/priv/guest_amd64_toIR.c b/priv/guest_amd64_toIR.c
index 2df860a..7011668 100644
--- a/priv/guest_amd64_toIR.c
+++ b/priv/guest_amd64_toIR.c
@@ -31153,7 +31153,7 @@
              Bool         sigill_diag
           )
 {
-   IRTemp    t1, t2, t3, t4, t5, t6;
+   IRTemp    t1, t2;
    UChar     pre;
    Int       n, n_prefixes;
    DisResult dres;
@@ -31186,7 +31186,7 @@
    vassert(guest_RIP_next_assumed == 0);
    vassert(guest_RIP_next_mustcheck == False);
 
-   t1 = t2 = t3 = t4 = t5 = t6 = IRTemp_INVALID; 
+   t1 = t2 = IRTemp_INVALID; 
 
    DIP("\t0x%llx:  ", guest_RIP_bbstart+delta);