Modified expected error messages in accordance with rebase.

Author: Alexander Regueiro

src/test/compile-fail/issue-14227.rs

@@ -14,6 +14,9 @@ extern {
     pub static symbol: ();
 }
 static CRASH: () = symbol;
-//~^ ERROR constant evaluation error
+//~^ ERROR could not evaluate static initializer
+//~| tried to read from foreign (extern) static
+//~^^^ ERROR could not evaluate static initializer
+//~| tried to read from foreign (extern) static
 
 fn main() {}

src/test/compile-fail/issue-28324.rs

@@ -15,7 +15,9 @@ extern {
 }
 
 pub static BAZ: u32 = *&error_message_count;
-//~^ ERROR constant evaluation error
+//~^ ERROR could not evaluate static initializer
+//~| tried to read from foreign (extern) static
+//~^^^ ERROR could not evaluate static initializer
 //~| tried to read from foreign (extern) static
 
 fn main() {}