RFC: Test optimizations for multiple architectures

[Roland McGrath]

> 1. Roland suggestion is orthogonal to mine.

False.

> 2. Roland suggestion may not be easy to implement safely.

Unsubstantiated.

> 3. Even if it works, use it in a test script to cover all cases is complex.

False.

> 4. We can enable --enable-test-multi-arch by default and change
> "make install" to remove libc-test.o from libc.a and libc-test.os from
> libc.so when installing libc.

Insane.