Ye Luo d0594ba302 Remove hard-coded standard C++ library selection and add more releases in llvm package (#19933) ...

* Restore OS based Clang default choice of C++ standard library.

* Add LLVM 11.0.1 release

2021-02-17 17:07:39 -08:00

..

spack

Remove hard-coded standard C++ library selection and add more releases in llvm package (#19933)

2021-02-17 17:07:39 -08:00