custom_args.diff

diff --git a/src/vm/moar/QAST/QASTCompilerMAST.nqp b/src/vm/moar/QAST/QASTCompilerMAST.nqp
index 43d4628..999291a 100644
--- a/src/vm/moar/QAST/QASTCompilerMAST.nqp
+++ b/src/vm/moar/QAST/QASTCompilerMAST.nqp
@@ -668,6 +668,14 @@ class QAST::MASTCompiler {
                 push_op(@pre, 'takeclosure', $reg, $reg);
             }
 
+            if $node.custom_args {
+                # The block does the arg processing by itself, so we accept any number
+                # of args here.
+                push_op(@pre, 'checkarity',
+                    MAST::IVal.new( :size(16), :value(0)),
+                    MAST::IVal.new( :size(16), :value(-1)));
+            }
+            else {
             # Analyze parameters to get count of required/optional and make sure
             # all is in order.
             my $param_index := 0;
@@ -787,6 +795,7 @@ class QAST::MASTCompiler {
                 }
                 $param_index++;
             }
+            }
 
             nqp::splice($frame.instructions, @pre, 0, 0);
         }