Assignee: unassigned at gcc dot gnu.org
Reporter: Pidgeot18 at gmail dot com
Target Milestone: ---
Created attachment 36576
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36576=edit
File to run
(See also bug 67937 for bad things that happen when this occurs).
I fina
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68080
--- Comment #1 from Joshua Cranmer ---
For what it's worth:
jcranmer@huitzilopochtli /tmp/gcov-dir $ c++ -v
Using built-in specs.
COLLECT_GCC=c++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/5/lto-wrapper
Target: x86_64-linux-gnu
Configured
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67992
--- Comment #1 from Joshua Cranmer ---
Created attachment 36531
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36531=edit
Implementation of Hawick's algorithm in C++
This is test code I wrote to figure out why I couldn't reproduce the
Component: gcov-profile
Assignee: unassigned at gcc dot gnu.org
Reporter: Pidgeot18 at gmail dot com
Target Milestone: ---
Created attachment 36529
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36529=edit
Simple file that exhibits the absurd slowdown.
The loop process
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67937
--- Comment #4 from Joshua Cranmer ---
(In reply to Richard Biener from comment #3)
> Most interesting would be a C testcase that produces the CFG with the bogus
> counters ;)
Yeah, I know, but doing the minimization on a 5MLOC program takes
Priority: P3
Component: gcov-profile
Assignee: unassigned at gcc dot gnu.org
Reporter: Pidgeot18 at gmail dot com
Target Milestone: ---
This is hard to name correctly, since there's really a bigger bug here, and I'm
focusing on the lesser bug because it's easier
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67937
--- Comment #2 from Joshua Cranmer ---
Created attachment 36486
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36486=edit
test-case.gcno
And the corresponding .gcno file.
The testcase was minimized by bisecting the original .gcda/.gcno
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67937
--- Comment #1 from Joshua Cranmer ---
Created attachment 36485
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36485=edit
test-case.gcda
(It's a 4.7 test case, but the file format can still be read with trunk gcov
the last I checked.
