git: openjdk/jdk21: 8310314: Misplaced "unnamed classes are a preview feature and are disabled by default" error

[Jan Lahoda]

Changeset: ede16cd1
Author:    Jan Lahoda <jlahoda at openjdk.org>
Date:      2023-06-20 10:34:00 +0000
URL:       https://git.openjdk.org/jdk21/commit/ede16cd19ece6e4fec9aaf4b1c7e39d14ff28b1d

8310314: Misplaced "unnamed classes are a preview feature and are disabled by default" error

Reviewed-by: jlaskey
Backport-of: 79069c5e748a274c45dec72aad082c31eff418d1

! src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java
+ test/langtools/tools/javac/unnamedclass/SourceLevelErrorPosition.java
+ test/langtools/tools/javac/unnamedclass/SourceLevelErrorPosition.out