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8245801: StressRecompilation triggers assert "redundunt OSR recompila…
…tion detected. memory leak in CodeCache!"

Assert is too strong.

Backport-of: 76ac621
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Olga Mikhaltsova authored and Yuri Nesterenko committed Feb 19, 2021
1 parent f9a04a4 commit 93aca5fb2f1505fab84d0387a3af9515e3f6e9f0
Showing with 43 additions and 3 deletions.
  1. +3 −3 src/hotspot/share/oops/instanceKlass.cpp
  2. +40 −0 test/hotspot/jtreg/compiler/c2/TestStressRecompilation.java
@@ -2995,9 +2995,9 @@ void InstanceKlass::adjust_default_methods(bool* trace_name_printed) {
void InstanceKlass::add_osr_nmethod(nmethod* n) {
#ifndef PRODUCT
if (TieredCompilation) {
nmethod * prev = lookup_osr_nmethod(n->method(), n->osr_entry_bci(), n->comp_level(), true);
assert(prev == NULL || !prev->is_in_use(),
"redundunt OSR recompilation detected. memory leak in CodeCache!");
nmethod* prev = lookup_osr_nmethod(n->method(), n->osr_entry_bci(), n->comp_level(), true);
assert(prev == NULL || !prev->is_in_use() || StressRecompilation,
"redundant OSR recompilation detected. memory leak in CodeCache!");
}
#endif
// only one compilation can be active
@@ -0,0 +1,40 @@
/*
* Copyright (c) 2020, 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.
*/

/*
* @test
* @bug 8245801
* @requires vm.debug
* @summary Test running with StressRecompilation enabled.
* @run main/othervm -Xcomp -XX:+IgnoreUnrecognizedVMOptions -XX:+StressRecompilation
* compiler.c2.TestStressRecompilation
*/

package compiler.c2;

public class TestStressRecompilation {

public static void main(String[] args) {
System.out.println("Test passed.");
}
}

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