Nikita Popov 1386850838 Use unused attribute for _dummy ...

The (void)_dummy is apparently considered a read of an uninitialized
variable. As it is a _Bool now, which has trap representations, this
is no longer considered legal and results in somewhat odd ubsan
warnings of the form:

runtime error: load of value 0, which is not a valid value for type 'zend_bool' (aka 'bool')

2020-06-12 10:18:19 +02:00

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