7165659: javac incorrectly sets strictfp access flag on inner-classes

Reviewed-by: jjg, mcimadamore

src/share/classes/com/sun/tools/javac/jvm/ClassWriter.java

@@ -1024,6 +1024,7 @@ public class ClassWriter extends ClassFile {
             char flags = (char) adjustFlags(inner.flags_field);
             if ((flags & INTERFACE) != 0) flags |= ABSTRACT; // Interfaces are always ABSTRACT
             if (inner.name.isEmpty()) flags &= ~FINAL; // Anonymous class: unset FINAL flag
+            flags &= ~STRICTFP; //inner classes should not have the strictfp flag set.
             if (dumpInnerClassModifiers) {
                 PrintWriter pw = log.getWriter(Log.WriterKind.ERROR);
                 pw.println("INNERCLASS  " + inner.name);

test/tools/javac/T7165659/InnerClassAttrMustNotHaveStrictFPFlagTest.java

+/*
+ * Copyright (c) 2013, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 7165659
+ * @summary javac incorrectly sets strictfp access flag on inner-classes
+ */
+
+import java.io.File;
+
+import com.sun.tools.classfile.AccessFlags;
+import com.sun.tools.classfile.Attribute;
+import com.sun.tools.classfile.ClassFile;
+import com.sun.tools.classfile.InnerClasses_attribute;
+import com.sun.tools.classfile.InnerClasses_attribute.Info;
+import com.sun.tools.javac.util.Assert;
+
+public class InnerClassAttrMustNotHaveStrictFPFlagTest {
+
+    public static void main(String[] args) throws Exception {
+        new InnerClassAttrMustNotHaveStrictFPFlagTest().run();
+    }
+
+    private void run() throws Exception {
+        File classPath = new File(System.getProperty("test.classes"), getClass().getSimpleName() + ".class");
+        analyzeClassFile(classPath);
+    }
+
+    void analyzeClassFile(File path) throws Exception {
+        ClassFile classFile = ClassFile.read(path);
+        InnerClasses_attribute innerClasses =
+                (InnerClasses_attribute) classFile.attributes.get(Attribute.InnerClasses);
+        for (Info classInfo : innerClasses.classes) {
+            Assert.check(!classInfo.inner_class_access_flags.is(AccessFlags.ACC_STRICT),
+                    "Inner classes attribute must not have the ACC_STRICT flag set");
+        }
+    }
+
+    strictfp void m() {
+        new Runnable() {
+            @Override
+            public void run() {}
+        };
+    }
+
+    static strictfp class Strict extends InnerClassAttrMustNotHaveStrictFPFlagTest {}
+
+}