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make too many nested blocks be a SyntaxError instead of a SystemError (closes #27514)

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Patch by Ammar Askar.
This commit is contained in:
Benjamin Peterson 2016-07-14 22:00:03 -07:00
parent 2b8792137b
commit e09ed5419b
3 changed files with 8 additions and 3 deletions
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6
Lib/test/test_syntax.py
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@ -342,7 +342,9 @@
...
SyntaxError: 'break' outside loop
This should probably raise a better error than a SystemError (or none at all).
This raises a SyntaxError, it used to raise a SystemError.
Context for this change can be found on issue #27514
In 2.5 there was a missing exception and an assert was triggered in a debug
build. The number of blocks must be greater than CO_MAXBLOCKS. SF #1565514
@ -370,7 +372,7 @@
... break
Traceback (most recent call last):
...
SystemError: too many statically nested blocks
SyntaxError: too many statically nested blocks
Misuse of the nonlocal statement can lead to a few unique syntax errors.