Add test case for floats without trailing dots

Author: MarcusGrass

tests/target/issue-6059/no_trailing_dot.rs

@@ -0,0 +1,3 @@
+fn float_range_no_trailing_dot_compacts() {
+    let _range = 3.0 / 2.0..4.0;
+}

tests/target/issue_6059.rs renamed to tests/target/issue-6059/trailing_dot.rs

@@ -1,3 +1,3 @@
-fn float_range() {
+fn float_range_trailing_dot() {
     let _range = 3. / 2. ..4.;
 }