[debug] use catch prediction flag for promise rejections.

src/ast/prettyprinter.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/ast/prettyprinter.h"
 
 #include <stdarg.h>
 
 #include "src/ast/ast-value-factory.h"
 #include "src/ast/scopes.h"
@@ skipping 867 matching lines @@
 
 
 void AstPrinter::VisitTryFinallyStatement(TryFinallyStatement* node) {
   IndentedScope indent(this, "TRY FINALLY", node->position());
   PrintTryStatement(node);
   PrintIndentedVisit("FINALLY", node->finally_block());
 }
 
 void AstPrinter::PrintTryStatement(TryStatement* node) {
   PrintIndentedVisit("TRY", node->try_block());
-  PrintIndented("CATCH PREDICTED");
-  Print(" %d\n", node->catch_predicted());
+  PrintIndented("CATCH PREDICTION");
+  const char* prediction;
+  switch (node->catch_prediction()) {
+    case HandlerTable::UNCAUGHT:
+      prediction = "UNCAUGHT";
+      break;
+    case HandlerTable::CAUGHT:
+      prediction = "CAUGHT";
+      break;
+    case HandlerTable::PROMISE:
+      prediction = "PROMISE";
+      break;
+  }
+  Print(" %s\n", prediction);
 }
 
 void AstPrinter::VisitDebuggerStatement(DebuggerStatement* node) {
   IndentedScope indent(this, "DEBUGGER", node->position());
 }
 
 
 void AstPrinter::VisitFunctionLiteral(FunctionLiteral* node) {
   IndentedScope indent(this, "FUNC LITERAL", node->position());
   PrintLiteralIndented("NAME", node->name(), false);
@@ skipping 275 matching lines @@
 
 void AstPrinter::VisitRewritableExpression(RewritableExpression* node) {
   Visit(node->expression());
 }
 
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8