FIN: windows-gnu: statically link gcc_s, pthread with llvm

src/librustc_llvm/build.rs

@@ -265,4 +265,8 @@ fn main() {
     if target.contains("windows") {
         println!("cargo:rustc-link-lib=ole32");
     }
+    if target.contains("windows-gnu") {
+        println!("cargo:rustc-link-lib=static-nobundle=gcc_s");
+        println!("cargo:rustc-link-lib=static-nobundle=pthread");
+    }
 }

src/librustc_llvm/lib.rs

@@ -29,6 +29,7 @@
 #![feature(link_args)]
 #![feature(staged_api)]
 #![feature(rustc_private)]
+#![feature(static_nobundle)]
 
 extern crate libc;
 #[macro_use]