add comment about why valid
authorNathan Sidwell <nathan@gcc.gnu.org>
Tue, 2 Jan 2018 12:35:02 +0000 (12:35 +0000)
committerNathan Sidwell <nathan@gcc.gnu.org>
Tue, 2 Jan 2018 12:35:02 +0000 (12:35 +0000)
commit5344af273ac3d881fb480adc927c9ff64de959e7
treeda9255fc26adbab24bac2542c13b62bb9e03e86f
parente8e3054e505a153e52aa3d8888bfc91610c006f7
add comment about why valid

From-SVN: r256071
gcc/testsuite/g++.dg/cpp0x/constexpr-64462.C