[issue31963] AMD64 Debian PGO 3.x buildbot: compilation failed with an internal compiler error in create_edge
Neil Schemenauer
report at bugs.python.org
Mon Nov 6 20:31:33 EST 2017
Neil Schemenauer <nas-python at arctrix.com> added the comment:
Oh I see. I'm at a loss then as to why the build is failing. A possible clue is the errors like:
profiling:/var/lib/buildbot/slaves/enable-optimizations-bot/3.x.gps-debian-profile-opt.nondebug/build/Objects/setobject.gcda:Merge mismatch for function 10
A Google search brings up this Stackoverflow page:
https://stackoverflow.com/questions/2590794/gcov-warning-merge-mismatch-for-summaries
To me, that implies that there are compiler outputs (.o, .a, etc) that were build from a previous version source code. However, the first part of the log shows that the build does "make clean" so I don't see how that is possible.
Is there a way to run "git show 4e38d71a2b7 | git apply -R" on the built host and then try to re-build?
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