[compiler] Move ClearExceptionFlag into Compiler.

src/globals.h

 // 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.
 
 #ifndef V8_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 912 matching lines @@
 };
 
 
 enum MaybeAssignedFlag { kNotAssigned, kMaybeAssigned };
 
 
 // Serialized in PreparseData, so numeric values should not be changed.
 enum ParseErrorType { kSyntaxError = 0, kReferenceError = 1 };
 
 
-enum ClearExceptionFlag {
-  KEEP_EXCEPTION,
-  CLEAR_EXCEPTION
-};
-
-
 enum MinusZeroMode {
   TREAT_MINUS_ZERO_AS_ZERO,
   FAIL_ON_MINUS_ZERO
 };
 
 
 enum Signedness { kSigned, kUnsigned };
 
 enum FunctionKind {
   kNormalFunction = 0,
@@ skipping 102 matching lines @@
   return static_cast<uint32_t>(bit_cast<uintptr_t>(address) >>
                                kPointerSizeLog2);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_