https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
Tom de Vries changed:
What|Removed |Added
CC||vries at gcc dot gnu.org
--- Comment #14
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
Jakub Jelinek changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
--- Comment #12 from Jakub Jelinek ---
Author: jakub
Date: Fri Jan 12 18:20:49 2018
New Revision: 256592
URL: https://gcc.gnu.org/viewcvs?rev=256592&root=gcc&view=rev
Log:
PR debug/81155
* bb-reorder.c (pass_partition_blocks::gat
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
--- Comment #11 from Jakub Jelinek ---
Well, we certainly don't want to disable partitioning for all functions if in
LTO, that would be extremely costly.
Most of real-world programs don't do all the work in main, so disabling that
may be acceptab
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
--- Comment #10 from Jan Kratochvil ---
It should affect all functions, not just main.
But then GDB already needlessly expands so many CUs that usually when some
function is needed its CU is already expanded. So maybe it is seen just
accidental
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
--- Comment #9 from Jakub Jelinek ---
Created attachment 43114
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43114&action=edit
gcc8-pr81155.patch
Untested workaround till GDB is fixed, disable partitioning of main in lto.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
--- Comment #8 from Jan Kratochvil ---
(In reply to Jakub Jelinek from comment #7)
> Thanks. Is that something that can be fixed in GDB easily?
Expecting a significant performance hit on initial scan of a file when
.gdb_index/.debug_names is no
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
--- Comment #7 from Jakub Jelinek ---
Thanks. Is that something that can be fixed in GDB easily?
I mean, for -freorder-blocks-and-partition optimized main we can't pretend it
is a single range when it is not.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
--- Comment #6 from Jan Kratochvil ---
(In reply to Jakub Jelinek from comment #5)
> where gdb sees the difference and why doesn't it make the file
> containing main the default?
pr43051-1.exe.good
<1><117>: Abbrev Number: 3 (DW_TAG_subprogram)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
Jakub Jelinek changed:
What|Removed |Added
CC||jan.kratochvil at redhat dot
com,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
Aldy Hernandez changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |8.0
Summary|Debug make check
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
H.J. Lu changed:
What|Removed |Added
CC|hjl at gcc dot gnu.org |hjl.tools at gmail dot
com
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81155
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
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