tree 3210248a9b11292976532e5f73697cf631e83779
parent 1821639b57a643f9c3f6d3b3d329d2283d5d7a57
author Robert Griesemer <gri@golang.org> 1656111330 -0700
committer Robert Griesemer <gri@golang.org> 1656202889 +0000

cmd/compile/internal/syntax: check fallthrough in CheckBranches mode

The parser CheckBranches mode checked correct use of break, continue,
and labels, but not of fallthrough statements.

This CL adds checking of fallthrough statements as well.

For #51456.

Change-Id: I5000388011973724f80c59a6aaf015e3bb70faea
Reviewed-on: https://go-review.googlesource.com/c/go/+/414134
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>