ArgProduction.patch

diff --git src/disp/program.c src/disp/program.c
index a411ed168..2f2584c5a 100644
--- src/disp/program.c
+++ src/disp/program.c
@@ -1967,7 +1967,7 @@ static void emit_args_ops(MVMThreadContext *tc, MVMCallStackDispatchRecord *reco
             Action action;
             MVMuint32 index;
         } ArgProduction;
-        ArgProduction arg_prod[num_to_produce];
+        ArgProduction *arg_prod = MVM_malloc(num_to_produce * sizeof(ArgProduction));
         for (i = 0; i < num_to_produce; i++) {
             /* Work out the source of this arg in the capture. For the rationale
              * for this algorithm, see MVM_disp_program_record_track_arg. */
@@ -2038,6 +2038,8 @@ static void emit_args_ops(MVMThreadContext *tc, MVMCallStackDispatchRecord *reco
             MVM_VECTOR_PUSH(cs->ops, op);
         }
 
+        MVM_free(arg_prod);
+
         /* Finally, the instruction to copy what we can from the args tail. */
         MVMDispProgramOp op;
         op.code = MVMDispOpcodeCopyArgsTail;