PHP-Parser/test/code/parser/stmt/namespace/name.test-fail

Invalid namespace names
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<?php namespace self;
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Cannot use 'self' as namespace name from 1:17 to 1:20
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<?php namespace parent;
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Cannot use 'parent' as namespace name from 1:17 to 1:22
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<?php namespace static;
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Syntax error, unexpected T_STATIC, expecting T_STRING or T_NS_SEPARATOR or '{' from 1:17 to 1:22
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<?php use A as self;
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Cannot use A as self because 'self' is a special class name on line 1
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<?php use B as parent;
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Cannot use B as parent because 'parent' is a special class name on line 1
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<?php use C as static;
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Syntax error, unexpected T_STATIC, expecting T_STRING from 1:16 to 1:21