Merge pull request #1135 from judofyr/heredoc-jruby-line-number #1657

Job	Run time
RuboCop	24s
specs (ubuntu, 3.0.6)	1m 34s
specs (ubuntu, 3.1.4)	1m 30s
specs (ubuntu, 3.2.2)	1m 23s
specs (ubuntu, 3.3.0)	1m 26s
specs (macos, 3.0.6)	1m 22s
specs (macos, 3.1.4)	1m 21s
specs (macos, 3.2.2)	1m 14s
specs (macos, 3.3.0)	1m 9s
specs (windows, 3.0.6)	4m 6s
specs (windows, 3.1.4)	5m 4s
specs (windows, 3.2.2)	4m 7s
specs (windows, 3.3.0)	4m 51s
specs (ubuntu, 3.3.0, --enable-frozen-string-literal)	1m 24s
	30m 55s

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