Wed, 29 Jun 2016 20:16:05 -0400
8160551: assert(c == Bytecodes::_putfield) failed: must be putfield
Summary: Illegal bytecodes which are detected later hit this assert first.
Reviewed-by: jrose
1.1 --- a/src/share/vm/interpreter/rewriter.cpp Mon Dec 12 12:53:38 2016 +0100 1.2 +++ b/src/share/vm/interpreter/rewriter.cpp Wed Jun 29 20:16:05 2016 -0400 1.3 @@ -409,21 +409,20 @@ 1.4 InstanceKlass* klass = method->method_holder(); 1.5 u2 bc_index = Bytes::get_Java_u2(bcp + prefix_length + 1); 1.6 constantPoolHandle cp(method->constants()); 1.7 - Symbol* field_name = cp->name_ref_at(bc_index); 1.8 - Symbol* field_sig = cp->signature_ref_at(bc_index); 1.9 Symbol* ref_class_name = cp->klass_name_at(cp->klass_ref_index_at(bc_index)); 1.10 1.11 if (klass->name() == ref_class_name) { 1.12 + Symbol* field_name = cp->name_ref_at(bc_index); 1.13 + Symbol* field_sig = cp->signature_ref_at(bc_index); 1.14 + 1.15 fieldDescriptor fd; 1.16 klass->find_field(field_name, field_sig, &fd); 1.17 if (fd.access_flags().is_final()) { 1.18 if (fd.access_flags().is_static()) { 1.19 - assert(c == Bytecodes::_putstatic, "must be putstatic"); 1.20 if (!method->is_static_initializer()) { 1.21 fd.set_has_initialized_final_update(true); 1.22 } 1.23 } else { 1.24 - assert(c == Bytecodes::_putfield, "must be putfield"); 1.25 if (!method->is_object_initializer()) { 1.26 fd.set_has_initialized_final_update(true); 1.27 }
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 2.2 +++ b/test/runtime/Final/Bad.jasm Wed Jun 29 20:16:05 2016 -0400 2.3 @@ -0,0 +1,55 @@ 2.4 +/* 2.5 + * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 2.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 2.7 + * 2.8 + * This code is free software; you can redistribute it and/or modify it 2.9 + * under the terms of the GNU General Public License version 2 only, as 2.10 + * published by the Free Software Foundation. 2.11 + * 2.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 2.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 2.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 2.15 + * version 2 for more details (a copy is included in the LICENSE file that 2.16 + * accompanied this code). 2.17 + * 2.18 + * You should have received a copy of the GNU General Public License version 2.19 + * 2 along with this work; if not, write to the Free Software Foundation, 2.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2.21 + * 2.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2.23 + * or visit www.oracle.com if you need additional information or have any 2.24 + * questions. 2.25 + */ 2.26 + 2.27 +/* Recoded in jasm to provoke an ICCE assigning a non-static final field with putstatic. 2.28 +class Bad { 2.29 + public static final int i; //rewritten 2.30 + //rewritten to: public final int i; 2.31 + static { i = 5; } // putstatic instruction 2.32 +} 2.33 +*/ 2.34 + 2.35 +super class Bad 2.36 + version 53:0 2.37 +{ 2.38 + 2.39 +// Remove 'static' keyword 2.40 +public final Field i:I; 2.41 + 2.42 +Method "<init>":"()V" 2.43 + stack 1 locals 1 2.44 +{ 2.45 + aload_0; 2.46 + invokespecial Method java/lang/Object."<init>":"()V"; 2.47 + return; 2.48 +} 2.49 + 2.50 +static Method "<clinit>":"()V" 2.51 + stack 1 locals 0 2.52 +{ 2.53 + iconst_5; 2.54 + putstatic Field i:"I"; 2.55 + return; 2.56 +} 2.57 + 2.58 +} // end Class Bad
3.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 3.2 +++ b/test/runtime/Final/PutfieldError.java Wed Jun 29 20:16:05 2016 -0400 3.3 @@ -0,0 +1,42 @@ 3.4 +/* 3.5 + * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3.7 + * 3.8 + * This code is free software; you can redistribute it and/or modify it 3.9 + * under the terms of the GNU General Public License version 2 only, as 3.10 + * published by the Free Software Foundation. 3.11 + * 3.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 3.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 3.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 3.15 + * version 2 for more details (a copy is included in the LICENSE file that 3.16 + * accompanied this code). 3.17 + * 3.18 + * You should have received a copy of the GNU General Public License version 3.19 + * 2 along with this work; if not, write to the Free Software Foundation, 3.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 3.21 + * 3.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 3.23 + * or visit www.oracle.com if you need additional information or have any 3.24 + * questions. 3.25 + */ 3.26 + 3.27 +/* 3.28 + * @test PutfieldError 3.29 + * @bug 8160551 3.30 + * @summary Throw ICCE rather than crashing for nonstatic final field in static initializer 3.31 + * @compile Bad.jasm 3.32 + * @run main PutfieldError 3.33 + */ 3.34 + 3.35 +public class PutfieldError { 3.36 + public static void main(java.lang.String[] unused) { 3.37 + try { 3.38 + Bad b = new Bad(); 3.39 + System.out.println("Bad.i = " + 5); 3.40 + throw new RuntimeException("ICCE NOT thrown as expected"); 3.41 + } catch (IncompatibleClassChangeError icce) { 3.42 + System.out.println("ICCE thrown as expected"); 3.43 + } 3.44 + } 3.45 +}