Fix for libgccjit 12

Author: antoyo

src/builder.rs

@@ -1597,7 +1597,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
     }
 
     #[cfg(not(feature = "master"))]
-    fn cleanup_landing_pad(&mut self, _pers_fn: RValue<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) {
+    fn cleanup_landing_pad(&mut self, _pers_fn: Function<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) {
         let value1 = self
             .current_func()
             .new_local(self.location, self.u8_type.make_pointer(), "landing_pad0")

src/intrinsic/mod.rs

@@ -4,7 +4,9 @@ mod simd;
 #[cfg(feature = "master")]
 use std::iter;
 
-use gccjit::{ComparisonOp, Function, FunctionType, RValue, ToRValue, Type, UnaryOp};
+#[cfg(feature = "master")]
+use gccjit::Type;
+use gccjit::{ComparisonOp, Function, FunctionType, RValue, ToRValue, UnaryOp};
 #[cfg(feature = "master")]
 use rustc_abi::ExternAbi;
 use rustc_abi::{BackendRepr, HasDataLayout};