Adds 'compiler abort in LLVM code when using a newtype-wrapper as an …

…argument' ICE

Reference rust-lang/rust#15402

src/15402.rs

@@ -0,0 +1,10 @@
+#![feature(asm)]
+
+pub struct Wrapper(u32);
+
+fn main() {
+    let mut value: Wrapper = Wrapper(7);
+    unsafe {
+        asm!("mov %eax, $0" : "+r"(value));
+    }
+}