/* * Copyright (c) 2011, 2016, 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 7103261 * @summary crash with jittester on sparc * * @run main compiler.c1.Test7103261
*/
package compiler.c1;
// exercise implicit null checking in the compiler for various field types publicclass Test7103261 { static Test7103261 null_value; static Test7103261 nonnull_value = new Test7103261(); static Test7103261 nonnull_value2 = new Test7103261();
long l; int i; float f; double d; byte b; char c; short s; boolean z;
Object o;
publicstaticvoid main(String[] args) {
constantStore();
valueTest(false);
valueTest(true);
} staticvoid constantStore() { for (int field = 0; field < 9; field++) { try {
Test7103261 o = nonnull_value; for (int i = 0; i < 100000; i++) { switch (field) { case 0: o.l = 0; break; case 1: o.i = 0; break; case 2: o.f = 0; break; case 3: o.d = 0; break; case 4: o.b = 0; break; case 5: o.c = 0; break; case 6: o.s = 0; break; case 7: o.z = false; break; case 8: o.o = null; break; default: thrownew InternalError();
} if (i == 90000) { // hide nullness from optimizer
o = null_value;
}
}
} catch (NullPointerException npe) {
}
}
} staticvoid valueTest(boolean store) { for (int field = 0; field < 9; field++) { try {
Test7103261 o = nonnull_value;
Test7103261 o2 = nonnull_value2; for (int i = 0; i < 100000; i++) { switch (field) { case 0: o.l = o2.l; break; case 1: o.i = o2.i; break; case 2: o.f = o2.f; break; case 3: o.d = o2.d; break; case 4: o.b = o2.b; break; case 5: o.c = o2.c; break; case 6: o.s = o2.s; break; case 7: o.z = o2.z; break; case 8: o.o = o2.o; break; default: thrownew InternalError();
} if (i == 90000) { // hide nullness from optimizer if (store)
o = null_value; else
o2 = null_value;
}
}
} catch (NullPointerException npe) {
}
}
}
}
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