[Bug middle-end/55030] [4.8 Regression]: gcc.c-torture/execute/builtins/memcpy-chk.c execution, -Os (et al)

[hp at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55030

--- Comment #14 from Hans-Peter Nilsson <hp at gcc dot gnu.org> 2013-02-18 22:21:28 UTC ---
(In reply to comment #13)
> The original patch was the patch you reverted in comment #1 and the fix for the
> original issue.  As far as I can see, you didn't put it back after installing
> the blockage patch, which is the patch in comment #5.  The dse.c and cselib.c
> hunks were not necessary and not in the submission, but I asked you to add them
> for the sake of consistency; then Jakub pointed out that they pessimize
> volatile asms.

Thanks for clarifying, I (think I) get it now.  Not sure when I can revisit,
maybe this month, maybe the next, so I won't feel bad if someone beats me to
it.