[parser bug] NPE on a long case statement #6441
Description
Environment Information
jruby 9.3.0.0-SNAPSHOT (2.6.5) 2020-10-21 6798b88 Java HotSpot(TM) 64-Bit Server VM 11.0.1+13-LTS on 11.0.1+13-LTS +jit [mswin32-x86_64]
master only, most probably related to no_sourceposition refactor cc @enebo
example
def test(num)
case num
when 55
when 64
when 65
when 66
when 67
when 68
when 69
when 80
when 81
when 82
when 83
when 84
when 85
when 86
when 87
when 88
when 96
when 97
when 98
when 99
when 100
when 101
when 112
when 120
when 121
when 128
when 130
when 144
when 145
when 146
when 147
when 148
when 149
when 150
when 160
when 176
when 177
when 178
when 179
when 180
when 181
when 182
when 183
when 184
when 185
when 190
when 200
when 201
when 202
when 250
when 251
when 260
when 261
when 280
when 281
when 300
when 301
when 302
when 320
when 350
when 500
return "Video"
end
end
puts test(500)
Expected Behavior
=> Video
Actual Behavior
Unhandled Java exception: java.lang.NullPointerException
java.lang.NullPointerException: null
yyparse at org/jruby/parser/RubyParser.java:1642
yyparse at org/jruby/parser/RubyParser.java:1597
parse at org/jruby/parser/RubyParser.java:5764
parse at org/jruby/parser/Parser.java:133
parse at org/jruby/parser/Parser.java:109
parseFileAndGetAST at org/jruby/Ruby.java:2573
parseFileFromMainAndGetAST at org/jruby/Ruby.java:2566
parseFileFromMain at org/jruby/Ruby.java:2550
parseFromMain at org/jruby/Ruby.java:1031
runFromMain at org/jruby/Ruby.java:952
doRunFromMain at org/jruby/Main.java:393
internalRun at org/jruby/Main.java:287
run at org/jruby/Main.java:234
main at org/jruby/Main.java:206