rust-lang/rust — pull request #17200 by brson (2014-09-12 17:48:13+00:00)
Title: Use mingw64 triple for win32

This updates our build system to prefer `i686-w64-mingw32` as the 32-bit windows triple instead of `i686-pc-mingw32`. This is an interim step to make the build artifacts consistent until https://github.com/rust-lang/rust/issues/15717 is done.