libstdc++-v3 · d6bb7841f25dcd7c5d77c6593005765b66639318 · lvzhengyang / riscv-gcc-1

PR libstdc++/78939 make tuple_size<cv T> depend on tuple_size<T> · f859f912

	PR libstdc++/78939
	* include/std/utility (tuple_size<cv T>): Only define partial
	specializations when tuple_size<T>::value is valid.
	* testsuite/20_util/tuple/78939.cc: New.
	* testsuite/20_util/tuple/cv_tuple_size_neg.cc: New.

From-SVN: r247973

committed May 12, 2017

f859f912

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