Try to fix the test output normalization

Author: jonas-schievink

src/test/ui/proc-macro/invalid-punct-ident-1.rs

@@ -3,11 +3,11 @@
 // FIXME https://github.com/rust-lang/rust/issues/59998
 // normalize-stderr-test "thread.*panicked.*proc_macro_server.rs.*\n" -> ""
 // normalize-stderr-test "note:.*RUST_BACKTRACE=1.*\n" -> ""
-// normalize-stderr-test "error: internal compiler error.*\n" -> ""
-// normalize-stderr-test "note:.*unexpectedly panicked.*\n" -> ""
-// normalize-stderr-test "note: we would appreciate a bug report.*\n" -> ""
-// normalize-stderr-test "note: compiler flags.*\n" -> ""
-// normalize-stderr-test "note: rustc.*running on.*\n" -> ""
+// normalize-stderr-test "\nerror: internal compiler error.*\n\n" -> ""
+// normalize-stderr-test "note:.*unexpectedly panicked.*\n\n" -> ""
+// normalize-stderr-test "note: we would appreciate a bug report.*\n\n" -> ""
+// normalize-stderr-test "note: compiler flags.*\n\n" -> ""
+// normalize-stderr-test "note: rustc.*running on.*\n\n" -> ""
 
 #[macro_use]
 extern crate invalid_punct_ident;

src/test/ui/proc-macro/invalid-punct-ident-2.rs

@@ -3,11 +3,11 @@
 // FIXME https://github.com/rust-lang/rust/issues/59998
 // normalize-stderr-test "thread.*panicked.*proc_macro_server.rs.*\n" -> ""
 // normalize-stderr-test "note:.*RUST_BACKTRACE=1.*\n" -> ""
-// normalize-stderr-test "error: internal compiler error.*\n" -> ""
-// normalize-stderr-test "note:.*unexpectedly panicked.*\n" -> ""
-// normalize-stderr-test "note: we would appreciate a bug report.*\n" -> ""
-// normalize-stderr-test "note: compiler flags.*\n" -> ""
-// normalize-stderr-test "note: rustc.*running on.*\n" -> ""
+// normalize-stderr-test "\nerror: internal compiler error.*\n\n" -> ""
+// normalize-stderr-test "note:.*unexpectedly panicked.*\n\n" -> ""
+// normalize-stderr-test "note: we would appreciate a bug report.*\n\n" -> ""
+// normalize-stderr-test "note: compiler flags.*\n\n" -> ""
+// normalize-stderr-test "note: rustc.*running on.*\n\n" -> ""
 
 #[macro_use]
 extern crate invalid_punct_ident;

src/test/ui/proc-macro/invalid-punct-ident-3.rs

@@ -3,11 +3,11 @@
 // FIXME https://github.com/rust-lang/rust/issues/59998
 // normalize-stderr-test "thread.*panicked.*proc_macro_server.rs.*\n" -> ""
 // normalize-stderr-test "note:.*RUST_BACKTRACE=1.*\n" -> ""
-// normalize-stderr-test "error: internal compiler error.*\n" -> ""
-// normalize-stderr-test "note:.*unexpectedly panicked.*\n" -> ""
-// normalize-stderr-test "note: we would appreciate a bug report.*\n" -> ""
-// normalize-stderr-test "note: compiler flags.*\n" -> ""
-// normalize-stderr-test "note: rustc.*running on.*\n" -> ""
+// normalize-stderr-test "\nerror: internal compiler error.*\n\n" -> ""
+// normalize-stderr-test "note:.*unexpectedly panicked.*\n\n" -> ""
+// normalize-stderr-test "note: we would appreciate a bug report.*\n\n" -> ""
+// normalize-stderr-test "note: compiler flags.*\n\n" -> ""
+// normalize-stderr-test "note: rustc.*running on.*\n\n" -> ""
 
 #[macro_use]
 extern crate invalid_punct_ident;