[Bug sanitizer/91101] Possible performance regression in libasan with detect_stack_use_after_return=1

[frantisek at sumsal dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91101

--- Comment #2 from Frantisek Sumsal <frantisek at sumsal dot cz> ---
Created attachment 46569
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46569&action=edit
test-conf-parser.i tempfile from GCC 9.1.0 (compressed due to size)