squiggly heredoc with single quotes fails to run #4169
Description
test code:
obj = <<~'TEST'
hello
TEST
puts obj
report error:
Unhandled Java exception: java.lang.ClassCastException: org.jruby.util.ByteList cannot be cast to org.jruby.ast.Node
java.lang.ClassCastException: org.jruby.util.ByteList cannot be cast to org.jruby.ast.Node
execute at org/jruby/parser/RubyParser.java:4501
yyparse at org/jruby/parser/RubyParser.java:1678
yyparse at org/jruby/parser/RubyParser.java:1569
parse at org/jruby/parser/RubyParser.java:5359
parse at org/jruby/parser/Parser.java:121
parse at org/jruby/parser/Parser.java:103
parseFileAndGetAST at org/jruby/Ruby.java:2772
parseFileFromMainAndGetAST at org/jruby/Ruby.java:2765
parseFileFromMain at org/jruby/Ruby.java:2753
parseFromMain at org/jruby/Ruby.java:613
runFromMain at org/jruby/Ruby.java:559
doRunFromMain at org/jruby/Main.java:425
internalRun at org/jruby/Main.java:313
run at org/jruby/Main.java:242
main at org/jruby/Main.java:204
but <<~TEST or <<~"TEST" both ok.
Environment
- jruby 9.1.5.0 (2.3.1) 2016-09-07 036ce39 Java HotSpot(TM) Client VM 25.101-b13 on 1.8.0_101-b13 +jit [mswin32-x86]
- Windows 10 x64