src/share/vm/interpreter/bytecodes.cpp

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 67,80 ****
      return false;  // the rewrite is not done by the interpreter
  
    case Bytecodes::_new:
      // (Could actually look at the class here, but the profit would be small.)
      return false;  // the rewrite is not always done
-   }
  
    // No other special cases.
    return true;
  }
  
  Bytecodes::Code Bytecodes::code_at(Method* method, int bci) {
    return code_at(method, method->bcp_from(bci));
  }
--- 67,81 ----
      return false;  // the rewrite is not done by the interpreter
  
    case Bytecodes::_new:
      // (Could actually look at the class here, but the profit would be small.)
      return false;  // the rewrite is not always done
  
+   default:
      // No other special cases.
      return true;
+   }
  }
  
  Bytecodes::Code Bytecodes::code_at(Method* method, int bci) {
    return code_at(method, method->bcp_from(bci));
  }
*** 116,128 ****
        jlong len = (aligned_bcp - bcp) + (2 + 2*npairs)*jintSize;
        // only return len if it can be represented as a positive int;
        // return -1 otherwise
        return (len > 0 && len == (int)len) ? len : -1;
      }
!   }
    // Note: Length functions must return <=0 for invalid bytecodes.
    return 0;
  }
  
  // At a breakpoint instruction, this returns the breakpoint's length,
  // otherwise, it's the same as special_length_at().  This is used by
  // the RawByteCodeStream, which wants to see the actual bytecode
--- 117,130 ----
        jlong len = (aligned_bcp - bcp) + (2 + 2*npairs)*jintSize;
        // only return len if it can be represented as a positive int;
        // return -1 otherwise
        return (len > 0 && len == (int)len) ? len : -1;
      }
!   default:
      // Note: Length functions must return <=0 for invalid bytecodes.
      return 0;
+   }
  }
  
  // At a breakpoint instruction, this returns the breakpoint's length,
  // otherwise, it's the same as special_length_at().  This is used by
  // the RawByteCodeStream, which wants to see the actual bytecode