[Bug gcov-profile/120881] [16 Regression] -fstack-protector-all -pg doesn't call mount at function entry by r16-1550-g9244ea4bf55638

[lili.cui at intel dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120881

--- Comment #2 from cuilili <lili.cui at intel dot com> ---
I think it is an old bug, since shrink wrap, NOTE_INSN_PROLOGUE_END does not
represent the entry bb.