[New-bugs-announce] [issue42207] Python 3.9 testing fails when building with clang and optimizations are enabled

[serge-sans-paille]

New submission from serge-sans-paille <serge.guelton at telecom-bretagne.eu>:

How to reproduce:

```
git clone https://github.com/python/cpython && cd cpython
mkdir -p _build/optimized
cd _build/optimized
../../configure --enable-optimizations CC=clang
make
cd ..
./optimized/python -m test.regrtest -wW --slowest -j0 --timeout=1800 2>&1 | grep "error: Could not read profile code.profclangd"
```

This bug no longer happens on master branch because it's related to test_peg_generator.

----------
components: Build
messages: 379972
nosy: serge-sans-paille
priority: normal
severity: normal
status: open
title: Python 3.9 testing fails when building with clang and optimizations are enabled
versions: Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42207>
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