[issue30345] test_gdb fails on Python 3.6 when built with LTO+PGO

[STINNER Victor]

STINNER Victor <vstinner at redhat.com> added the comment:

Very interesting article about PGO and LTO changes in GCC:
https://hubicka.blogspot.com/2018/06/gcc-8-link-time-and-interprocedural.html

See "Early debug info" paragraph.

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