There are a few javac-related files that are missing license headers, or have them broken:
make/langtools/tools/propertiesparser/resources/templates.properties
src/java.compiler/share/classes/javax/lang/model/util/AbstractElementVisitor7.java
src/jdk.compiler/share/classes/META-INF/services/com.sun.tools.javac.platform.PlatformProvider
src/jdk.compiler/share/classes/com/sun/tools/javac/services/javax.tools.JavaCompilerTool