Fix for running with --throw_on_javascript_int_overflow: recognize pattern (a << b) & mask and test…

runtime/vm/ast_printer.cc

Index: runtime/vm/ast_printer.cc
===================================================================
--- runtime/vm/ast_printer.cc	(revision 26093)
+++ runtime/vm/ast_printer.cc	(working copy)
@@ -168,6 +168,14 @@
 }
 
 
+void AstPrinter::VisitBinaryOpWithMask32Node(BinaryOpWithMask32Node* node) {
+  OS::Print("(%s ", node->Name());
+  node->VisitChildren(this);
+  OS::Print(" & 0x%"Px64"", node->mask32());
+  OS::Print(")");
+}
+
+
 void AstPrinter::VisitUnaryOpNode(UnaryOpNode* node) {
   VisitGenericAstNode(node);
 }