7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
Summary: C1 with profiling doesn't check whether the MDO has been really allocated, which can silently fail if the perm gen is full. The solution is to check if the allocation failed and bailout out of inlining or compilation.
Reviewed-by: kvn, never
/*
* Copyright (c) 1999, 2010, 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.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef SHARE_VM_C1_C1_OPTIMIZER_HPP
#define SHARE_VM_C1_C1_OPTIMIZER_HPP
#include "c1/c1_IR.hpp"
#include "c1/c1_Instruction.hpp"
#include "memory/allocation.hpp"
class Optimizer VALUE_OBJ_CLASS_SPEC {
private:
IR* _ir;
public:
Optimizer(IR* ir);
IR* ir() const { return _ir; }
// optimizations
void eliminate_conditional_expressions();
void eliminate_blocks();
void eliminate_null_checks();
};
#endif // SHARE_VM_C1_C1_OPTIMIZER_HPP