8150860: Mach 5 tier1 test started failing - jdk/jshell/ComputeFQNsTest.java (after 8131027/8150814)
Summary: Correctly escaping '\' in paths; rethrowing exceptions from evaluation to improve debuggability of the test
Reviewed-by: jjg
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.hgtip
^.bridge2
^.jib/
.DS_Store
.metadata/
.recommenders/