thanks..
Compiler is monumental in any package distribution system. So need time and vigorus testing.
current status: https://gitter.im/msys2/msys2?at=5eb57bbcb6dd230697b4440a
more here -> #6463
it's in the repo now
thanks..
Try not to upgrade GCC now. Wait for some times. There are some fixes waiting.
ok.. thanks for suggestion..
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current status: https://gitter.im/msys2/msys2?at=5eb57bbcb6dd230697b4440a