Bless pretty tests.

Author: m-ou-se

src/test/pretty/dollar-crate.pp

@@ -9,5 +9,5 @@
 // pp-exact:dollar-crate.pp
 
 fn main() {
-    { ::std::io::_print(::core::fmt::Arguments::new_v1(&["rust\n"], &[])); };
+    { ::std::io::_print(::core::fmt::Arguments::from_static_str("rust\n")); };
 }

src/test/pretty/issue-4264.pp

@@ -32,12 +32,10 @@
         ({
                 let res =
                     ((::alloc::fmt::format as
-                            for<'r> fn(Arguments<'r>) -> String {format})(((::core::fmt::Arguments::new_v1
+                            for<'r> fn(Arguments<'r>) -> String {format})(((::core::fmt::Arguments::from_static_str
                                 as
-                                fn(&[&'static str], &[ArgumentV1]) -> Arguments {Arguments::new_v1})((&([("test"
-                                            as &str)] as [&str; 1]) as &[&str; 1]),
-                            (&([] as [ArgumentV1; 0]) as &[ArgumentV1; 0])) as
-                            Arguments)) as String);
+                                fn(&'static str) -> Arguments {Arguments::from_static_str})(("test"
+                                as &str)) as Arguments)) as String);
                 (res as String)
             } as String);
     } as ())