This change makes sure empty cells in summary tables are not dropped, which was the case when the `-nocomment` option was used.
It also adds tests to check summary table contents both in normal operation and with `-nocomment` option. ------------- Commit messages: - JDK-8256580: Fault in new grid display Changes: https://git.openjdk.java.net/jdk/pull/1438/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1438&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8256580 Stats: 313 lines in 3 files changed: 311 ins; 0 del; 2 mod Patch: https://git.openjdk.java.net/jdk/pull/1438.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/1438/head:pull/1438 PR: https://git.openjdk.java.net/jdk/pull/1438