nnesse/minwin-gcc-5-2: A patched gcc 5.2 enabling a new 'minwin' target that does not link to the Microsoft C library. @ f5de7b477e9df391b1cc268c485030e7cdcd1f3a

Niels Nesse eb72d50f44 Import gcc 5.2.0 from tarball		9 lat temu
..
abs.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
asin.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
cmath_test.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
conj.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
exp.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
isinf.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
isnan.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
log.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
phase.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
polar.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
pow.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
rect.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
sin.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
sqrt.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
tan.go	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu