fix-jit-on-windows.diff

diff --git a/src/jit/x64/emit.dasc b/src/jit/x64/emit.dasc
index 6ddfa9ed4..78e7504ee 100644
--- a/src/jit/x64/emit.dasc
+++ b/src/jit/x64/emit.dasc
@@ -3170,15 +3170,19 @@ void MVM_jit_emit_dispatch(MVMThreadContext *tc, MVMJitCompiler *compiler, MVMJi
     | lea ARG2, MVMDISPINLINECACHEENTRY:ARG2[dispatch->ice_slot];
     | mov ARG3, [ARG2]
     | get_string ARG4, dispatch->id;
-    | mov64 ARG5, callsite;
-    | lea ARG6, [<5];
 
     |.if WIN32
+    | mov64 TMP5, callsite;
+    | mov ARG5, TMP5;
+    | lea TMP5, [<5];
+    | mov ARG6, TMP6;
     | mov qword [rsp+6*8], WORK;
     | mov qword [rsp+7*8], TMP6;
     | mov TMP6, -1;
     | mov qword [rsp+8*8], TMP6;
     |.else
+    | mov64 ARG5, callsite;
+    | lea ARG6, [<5];
     | mov qword [rsp+0*8], WORK;
     | mov qword [rsp+1*8], TMP6;
     | mov TMP6, -1;