Squelch warnings in webidl tests

.travis.yml

@@ -195,10 +195,6 @@ matrix:
         keep-history: false
       if: branch = master
 
-before_install:
-  # FIXME (travis-ci/travis-ci#8920) shouldn't be necessary...
-  - python -c "import fcntl; fcntl.fcntl(1, fcntl.F_SETFL, 0)"
-
 notifications:
   email:
     on_success: never

crates/backend/src/codegen.rs

@@ -1061,15 +1061,15 @@ impl ToTokens for ast::Const {
             // again no suffix
             // panics on +-inf, nan
             FloatLiteral(f) => {
-                let f = Literal::f64_unsuffixed(f);
+                let f = Literal::f64_suffixed(f);
                 quote!(#f)
             },
             SignedIntegerLiteral(i) => {
-                let i = Literal::i64_unsuffixed(i);
+                let i = Literal::i64_suffixed(i);
                 quote!(#i)
             },
             UnsignedIntegerLiteral(i) => {
-                let i = Literal::u64_unsuffixed(i);
+                let i = Literal::u64_suffixed(i);
                 quote!(#i)
             },
             Null => unimplemented!(),