mozilla/rust — pull request #12732 by klutzy (2014-03-06 15:20:26+00:00)
Title: rustc: Get LLVM error message safely

On Windows, `LLVMRustGetLastError()` may return non-utf8 mojibake string
if system uses non-English locale. It caused ICE when llvm fails.
This patch doesn't fix the real problem, but just make rustc not die.