[libc++] Run picolibc tests with qemu

This patch actually runs the tests for picolibc behind an emulator,
removing a few workarounds and increasing coverage.

Differential Revision: https://reviews.llvm.org/D155521

GitOrigin-RevId: be811d1617654e46f4f4daa82259ae4fad4c8e6a
2 files changed
tree: 2bef23aba5730221f8c4d843957329f8883b872e
  1. cmake/
  2. docs/
  3. include/
  4. src/
  5. test/
  6. .clang-format
  7. CMakeLists.txt
  8. LICENSE.TXT