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[PATCH] Fix regression in std::random_device default constructor


When the default constructor was split out into a separate function (in
r261522) I accidentally  made it call _M_init("mt19937") instead of
_M_init_pretr1("mt19937"). That means it will always throw an exception,
because "mt19937" isn't a valid token accepted by the _M_init function.
Restore the original behaviour by calling _M_init_pretr1("mt19937").

	* include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
	Fix default constructor to call correct function.

Tested x86_64-w64-ming32, committed to trunk.

Attachment: patch.txt
Description: Text document


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