Michael Platings 8aeacebf28 [libc++] Add initial support for picolibc
Picolibc is a C Standard Library that is commonly used in embedded
environments. This patch adds initial support for this configuration
along with pre-commit CI. As of this patch, the test suite only builds
the tests and nothing is run. A follow-up patch will make the test suite
actually run the tests.

Differential Revision: https://reviews.llvm.org/D154246
2023-11-29 10:43:16 -05:00
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