jshell> for (int:<TAB>

Exception in thread "main" java.lang.NullPointerException
at jdk.compiler/com.sun.tools.javac.tree.TreeInfo.getStartPos(TreeInfo.java:458)
at jdk.compiler/com.sun.tools.javac.api.JavacTrees$1.getStartPosition(JavacTrees.java:239)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:553)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:547)
at jdk.compiler/com.sun.source.util.TreeScanner.visitEnhancedForLoop(TreeScanner.java:304)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCEnhancedForLoop.accept(JCTree.java:1166)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:561)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:547)
at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:105)
at jdk.compiler/com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:248)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1026)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:561)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:547)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:90)
at jdk.compiler/com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:206)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:898)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:561)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:547)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:90)
at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:105)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:113)
at jdk.compiler/com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:187)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:808)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:561)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:547)
at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:105)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:113)
at jdk.compiler/com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:144)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:591)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl$2.scan(SourceCodeAnalysisImpl.java:561)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl.pathFor(SourceCodeAnalysisImpl.java:570)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl.computeSuggestions(SourceCodeAnalysisImpl.java:293)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl.completionSuggestionsImpl(SourceCodeAnalysisImpl.java:282)
at jdk.jshell/jdk.jshell.SourceCodeAnalysisImpl.completionSuggestions(SourceCodeAnalysisImpl.java:247)
at jdk.jshell/jdk.internal.jshell.tool.ConsoleIOContext.complete(ConsoleIOContext.java:218)
at jdk.jshell/jdk.internal.jshell.tool.ConsoleIOContext.access$000(ConsoleIOContext.java:69)
at jdk.jshell/jdk.internal.jshell.tool.ConsoleIOContext$1.complete(ConsoleIOContext.java:100)
at jdk.internal.le/jdk.internal.jline.console.ConsoleReader.readLine(ConsoleReader.java:2684)
at jdk.internal.le/jdk.internal.jline.console.ConsoleReader.readLine(ConsoleReader.java:2279)
at jdk.jshell/jdk.internal.jshell.tool.ConsoleIOContext.readLine(ConsoleIOContext.java:139)
at jdk.jshell/jdk.internal.jshell.tool.JShellTool.run(JShellTool.java:1140)
at jdk.jshell/jdk.internal.jshell.tool.JShellTool.start(JShellTool.java:929)
at jdk.jshell/jdk.internal.jshell.tool.JShellToolBuilder.run(JShellToolBuilder.java:239)
at jdk.jshell/jdk.internal.jshell.tool.JShellToolProvider.main(JShellToolProvider.java:119)

Thank you, Aurelio García-Ribeyro, for reporting.