c++: Use -std=c++20 in testsuite default std list
authorJason Merrill <jason@redhat.com>
Tue, 18 Jan 2022 22:43:03 +0000 (17:43 -0500)
committerJason Merrill <jason@redhat.com>
Tue, 18 Jan 2022 22:57:04 +0000 (17:57 -0500)
commitfdd6d85bd75df9a97659220373b5c1e8b3019e26
tree755557dc60ae1c3d8c00d9db6d496e92915ace42
parent2aa184458a11a7ec8c1b451b8eeff458a24632bb
c++: Use -std=c++20 in testsuite default std list

C++20 has been official for a while now.

gcc/testsuite/ChangeLog:

* lib/g++-dg.exp: Change 2a to 20.
gcc/testsuite/lib/g++-dg.exp