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[Bug gdb/23710] gdb is slow and memory hungry consuming debug generated with LTO by GCC
- From: "hubicka at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Sun, 20 Jan 2019 08:42:51 +0000
- Subject: [Bug gdb/23710] gdb is slow and memory hungry consuming debug generated with LTO by GCC
- Auto-submitted: auto-generated
- References: <bug-23710-4717@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=23710
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |hubicka at gcc dot gnu.org
--- Comment #2 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
I can re-confirm this with current trunk of gdb and current trunk of gcc.
Things got even slower between gcc 8 and gcc 9. I have uploaded fresh cc1plus
binary to http://www.ucw.cz/~hubicka/cc1plus.gz
It takes a while to load binary and then it takes a while each time function
names are output - i.e. when adding breakpoint, looking on backtraces etc.
Things are a lot worse on Firefox libxul that I can upload too (or it
reproduces with RedHat Fedora package that is now LTO built)
LLDB seems to have no problems. It would be great to have this fixed since it
is quite a problem for adoption of lto.
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