[turbofan] Remove IfExceptionHint from exception projections.

src/compiler/common-operator.h

 // Copyright 2014 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.
 
 #ifndef V8_COMPILER_COMMON_OPERATOR_H_
 #define V8_COMPILER_COMMON_OPERATOR_H_
 
 #include "src/assembler.h"
 #include "src/compiler/frame-states.h"
 #include "src/deoptimize-reason.h"
@@ skipping 58 matching lines @@
 
 bool operator==(DeoptimizeParameters, DeoptimizeParameters);
 bool operator!=(DeoptimizeParameters, DeoptimizeParameters);
 
 size_t hast_value(DeoptimizeParameters p);
 
 std::ostream& operator<<(std::ostream&, DeoptimizeParameters p);
 
 DeoptimizeParameters const& DeoptimizeParametersOf(Operator const* const);
 
-// Prediction whether throw-site is surrounded by any local catch-scope.
-enum class IfExceptionHint {
-  kLocallyUncaught,
-  kLocallyCaught,
-  kLocallyCaughtForPromiseReject
-};
-
-IfExceptionHint ExceptionHintFromCatchPrediction(
-    HandlerTable::CatchPrediction prediction);
-
-size_t hash_value(IfExceptionHint hint);
-
-std::ostream& operator<<(std::ostream&, IfExceptionHint);
-
 
 class SelectParameters final {
  public:
   explicit SelectParameters(MachineRepresentation representation,
                             BranchHint hint = BranchHint::kNone)
       : representation_(representation), hint_(hint) {}
 
   MachineRepresentation representation() const { return representation_; }
   BranchHint hint() const { return hint_; }
 
@@ skipping 85 matching lines @@
 class CommonOperatorBuilder final : public ZoneObject {
  public:
   explicit CommonOperatorBuilder(Zone* zone);
 
   const Operator* Dead();
   const Operator* End(size_t control_input_count);
   const Operator* Branch(BranchHint = BranchHint::kNone);
   const Operator* IfTrue();
   const Operator* IfFalse();
   const Operator* IfSuccess();
-  const Operator* IfException(IfExceptionHint hint);
+  const Operator* IfException();
   const Operator* Switch(size_t control_output_count);
   const Operator* IfValue(int32_t value);
   const Operator* IfDefault();
   const Operator* Throw();
   const Operator* Deoptimize(DeoptimizeKind kind, DeoptimizeReason reason);
   const Operator* DeoptimizeIf(DeoptimizeReason reason);
   const Operator* DeoptimizeUnless(DeoptimizeReason reason);
   const Operator* Return(int value_input_count = 1);
   const Operator* Terminate();
 
@@ skipping 57 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(CommonOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_COMMON_OPERATOR_H_