RFR: 8312821: Javac accepts char literal as template

[Jan Lahoda]

On Tue, 1 Aug 2023 15:28:06 GMT, Jim Laskey <jlaskey at openjdk.org> wrote:

> Embedded expressions in character literals are accepted. Fix is to reject `{` sequence in character literals.
> 
> Additional code was added to skip to end of literal when error is detected. This avoids many misleading error messages.

Looks good to me.

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Marked as reviewed by jlahoda (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/15106#pullrequestreview-1558870579