fix the build errors

Author: Lokathor

src/test/run-pass/const-int-overflowing.rs

@@ -13,7 +13,7 @@ const SHL_B: (u32, bool) = 0x1u32.overflowing_shl(132);
 const SHR_A: (u32, bool) = 0x10u32.overflowing_shr(4);
 const SHR_B: (u32, bool) = 0x10u32.overflowing_shr(132);
 
-const NEG_A: (u32, bool) = 0.overflowing_neg();
+const NEG_A: (u32, bool) = 0u32.overflowing_neg();
 const NEG_B: (u32, bool) = core::u32::MAX.overflowing_neg();
 
 fn ident<T>(ident: T) -> T {

src/test/run-pass/const-int-wrapping.rs

@@ -33,6 +33,9 @@ fn main() {
     assert_eq!(SHL_A, ident(128));
     assert_eq!(SHL_B, ident(1));
 
-    assert_eq!(SHR_A, ident(4294967291));
-    assert_eq!(SHR_B, ident(3060399406));
+    assert_eq!(SHR_A, ident(1));
+    assert_eq!(SHR_B, ident(128));
+
+    assert_eq!(NEG_A, ident(4294967291));
+    assert_eq!(NEG_B, ident(3060399406));
 }