[issue27509] Some tests breaks PGO build on Windows

[Irit Katriel]

Irit Katriel  added the comment:

Python 3.5 is no longer in maintenance. Please create a new issue if you are 
still seeing this problem on a current version (>= 3.9).

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nosy: +iritkatriel
resolution:  -> out of date
stage:  -> resolved
status: open -> closed

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[issue27509] Some tests breaks PGO build on Windows

[Decorater]

Decorater added the comment:

Have you tried the 3.6 branch maybe it was fixed there.

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[issue27509] Some tests breaks PGO build on Windows

[Charles G.]

Charles G. added the comment:

Tried with Visual Studio Community 2015 Update 3 with same result.

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[issue27509] Some tests breaks PGO build on Windows

[Charles G.]

Charles G. added the comment:

The compiler itself supports PGO in the Community Edition. I'm not sure about 
the IDE (not using it). Since I compiled python using the batch file (with 
msbuild) so it is not limited by the features of the IDE.

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[issue27509] Some tests breaks PGO build on Windows

[Charles G.]

Charles G. added the comment:

Community Edition. PGO is available in the Community Edition since at least VS 
2012.

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[issue27509] Some tests breaks PGO build on Windows

[Decorater]

Decorater added the comment:

What Edition of Visual Studio are you using? I am using Update 3 of 2015 
Community and PGO is only (as far as I am aware of) in the Ultimate Edition of 
Visual Studio.

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nosy: +Decorater

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[issue27509] Some tests breaks PGO build on Windows

[Charles G.]

New submission from Charles G.:

Environment:
Python 3.5.2
Visual Studio 2015 Update 2
Windows 7
amd64

I tried to build python with pgo (build.bat --pgo) but found that no  
python35!1.pgc or python!1.pgc was created. Then I run the tests one by one 
while checking the existence of python35!1.pgc and found that these tests when 
run prevents above pgcs from being created:

test_concurrent_futures
test_faulthandler
test_multiprocessing_main_handling
test_multiprocessing_spawn
test_os
test_subprocess

I'm not sure of the reason why no pgc is produced when running these tests.

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components: Windows
messages: 270374
nosy: Charles G., paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: Some tests breaks PGO build on Windows
type: compile error
versions: Python 3.5

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