[HARMONY-2868] [drlvm][jit][opt] Jitrino.OPT loops infinitely inside recursive Jitrino::InstValueNumberer::thereIsAPath(...) on DaCapo jython

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Component/s: DRLVM
• Environment: all, -Xem:opt
• Assignee: Alexey Varlamov
• Reporter: Egor Pasko
• Created: 25/Dec/06 09:24
• Updated: 09/Feb/07 11:55
• Resolved: 09/Feb/07 10:43

Description

in pure OPT mode DaCapo hangs on DRLVM if run with parameters:

-Xem:opt -jar dacapo-2006-10.jar -s small -n 2 jython

attaching GDB reveals >100 stack frames inside Jitrino.OPT's InstValueNumberer::thereIsAPath(...)

the method being compiled is:
org/python/util/jython::main([Ljava/lang/String;)V