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gh-122245: Add test case of generic type with __debug__ (#122322)

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Irit Katriel 2024-07-26 19:40:36 +01:00 • committed by GitHub
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2 changed files with 6 additions and 2 deletions
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4
Lib/test/test_syntax.py
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@ -2265,6 +2265,10 @@ Invalid expressions in type scopes:
Traceback (most recent call last):
SyntaxError: cannot assign to __debug__
>>> class A[__debug__]: pass
Traceback (most recent call last):
SyntaxError: cannot assign to __debug__
>>> class A[T]((x := 3)): ...
Traceback (most recent call last):
...

4
Misc/NEWS.d/next/Core and Builtins/2024-07-24-22-39-07.gh-issue-122245.LVa9v8.rst
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@ -1,4 +1,4 @@
Detection of writes to ``__debug__`` is moved from the compiler's codegen
stage to the symtable. This means that these errors now detected even in
stage to the symtable. This means that these errors are now detected even in
code that is optimized away before codegen (such as assertions with the
:option:`-O` command line option.)
:option:`-O` command line option).