Fix hw1 fuzzer

src/c/ast_equiv.rs

@@ -102,6 +102,7 @@ impl IsEquiv for Declarator {
 impl IsEquiv for DeclaratorKind {
     fn is_equiv(&self, other: &Self) -> bool {
         match (self, other) {
+            (Self::Abstract, Self::Abstract) => true,
             (Self::Identifier(identifier), Self::Identifier(other_identifier)) => {
                 identifier.node.name == other_identifier.node.name
             }

src/c/parse.rs

@@ -525,7 +525,6 @@ impl AssertSupported for Integer {
 
 impl AssertSupported for Float {
     fn assert_supported(&self) {
-        assert_eq!(self.base, FloatBase::Decimal);
         self.suffix.format.assert_supported();
         assert_eq!(false, self.suffix.imaginary);
     }