Allow illegal_floating_point_literal_pattern. These will need to be updated at some point.

Discussion can be found on rust-lang/rust#41620.

src/test/ui/run-pass/array-slice-vec/vec-matching-autoslice.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // run-pass
+#![allow(illegal_floating_point_literal_pattern)] // FIXME #41620
 
 pub fn main() {
     let x = [1, 2, 3];

src/test/ui/run-pass/binding/match-range.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // run-pass
+#![allow(illegal_floating_point_literal_pattern)] // FIXME #41620
 #![feature(exclusive_range_pattern)]
 
 pub fn main() {

src/test/ui/run-pass/issues/issue-15881-model-lexer-dotdotdot.rs

@@ -9,6 +9,8 @@
 // except according to those terms.
 
 // run-pass
+#![allow(illegal_floating_point_literal_pattern)] // FIXME #41620
+
 // regression test for the model lexer handling the DOTDOTDOT syntax (#15877)
 
 

src/test/ui/run-pass/issues/issue-7222.rs

@@ -10,6 +10,7 @@
 
 // run-pass
 // pretty-expanded FIXME #23616
+#![allow(illegal_floating_point_literal_pattern)] // FIXME #41620
 
 pub fn main() {
     const FOO: f64 = 10.0;