* isatty
For the moment it is not possible to determine if the fd belongs to a
tty. For whatever reasons, the check is done multiple times, e.g.
'tclsh', which will spam the LOG.
* sysctl(HW_FLOATINGPT)
FPU is enabled on all our platforms, so return true.
Fixes#3389.
* Adjust expected pow(-1/1, inf/-inf/nan) output to current libm
behavior (as in FreeBSD, glibc, and OpenLibm) and return 1 on
x86_64/x86_32/arm
* Add 'double float' outputs for ARM which are defined to float
issue #3289
This reverts commit 918b9a9fa4.
The Muen debug console buffer was increased by the recent update, which
alleviates the issue with many log messages as in the ieee754 test.
