8231058: VerifyOops crashes with assert(_offset >= 0) failed: offset for non comment?
Summary: Offset method should only be called for comments.
Reviewed-by: roland, dholmes
/build/
/dist/
/.idea/
nbproject/private/
/webrev
/.src-rev
/.jib/
.DS_Store
.metadata/
.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
**/JTreport/**
**/JTwork/**