ADDITIONAL SYSTEM INFORMATION :
Verified on Java version 22 (commit: 0e3d91dc213b5173f72e954d9b8e13e1b8343b23)


A DESCRIPTION OF THE PROBLEM :
an unexpected else keyword followed by a statement leads to compiler crash
i.e. else STATEMENT; seems to crash the javac compiler

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
try to compile code with javac

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
produce a reasonable error message
ACTUAL -
Crashes with the following trace:
An exception has occurred in the compiler (22-internal). Please file a bug against the Java compiler via the Java bug reporting page (https://bugreport.java.com) after checking the Bug Database (https://bugs.java.com) for duplicates. Include your program, the following diagnostic, and the parameters passed to the Java compiler in your report. Thank you.
java.lang.AssertionError
        at jdk.compiler/com.sun.tools.javac.parser.VirtualParser$VirtualScanner.errPos(VirtualParser.java:151)
        at jdk.compiler/com.sun.tools.javac.parser.JavacParser.doRecover(JavacParser.java:3121)
        at jdk.compiler/com.sun.tools.javac.parser.JavacParser.parseSimpleStatement(JavacParser.java:3090)
        at jdk.compiler/com.sun.tools.javac.parser.JavacParser.blockStatement(JavacParser.java:2818)
        at jdk.compiler/com.sun.tools.javac.parser.JavacParser.blockStatements(JavacParser.java:2755)
        at jdk.compiler/com.sun.tools.javac.parser.JavacParser.block(JavacParser.java:2725)
        at jdk.compiler/com.sun.tools.javac.parser.JavacParser.block(JavacParser.java:2739)
        at jdk.compiler/com.sun.tools.javac.parser.JavacParser.methodDeclaratorRest(JavacParser.java:4897)
        at jdk.compiler/com.sun.tools.javac.parser.JavacParser.topLevelMethodOrFieldDeclaration(JavacParser.java:4771)
        at jdk.compiler/com.sun.tools.javac.parser.JavacParser.parseCompilationUnit(JavacParser.java:3988)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.parse(JavaCompiler.java:652)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.parse(JavaCompiler.java:629)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.parse(JavaCompiler.java:689)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.parseFiles(JavaCompiler.java:1045)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler$InitialFileParser.parse(JavaCompiler.java:1979)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.parseFiles(JavaCompiler.java:1032)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:951)
        at jdk.compiler/com.sun.tools.javac.main.Main.compile(Main.java:319)
        at jdk.compiler/com.sun.tools.javac.main.Main.compile(Main.java:178)
        at jdk.compiler/com.sun.tools.javac.Main.compile(Main.java:66)
        at jdk.compiler/com.sun.tools.javac.Main.main(Main.java:52)

---------- BEGIN SOURCE ----------
public static void test(String[] args) {
        else 1;
}
---------- END SOURCE ----------

FREQUENCY : always