update tests

Author: lcnr

src/test/incremental/const-generics/issue-61516.rs

@@ -4,7 +4,7 @@
 
 struct FakeArray<T, const N: usize>(T);
 
-impl<T, const N: usize> FakeArray<T, { N }> {
+impl<T, const N: usize> FakeArray<T, N> {
     fn len(&self) -> usize {
         N
     }

src/test/ui/array-slice-vec/vec-fixed-length.rs

@@ -9,7 +9,7 @@ fn test_big_vec() {}
 #[cfg(target_pointer_width = "64")]
 fn test_big_vec()
 {
-    assert_eq!(size_of::<[u8; (1 << 32)]>(), (1 << 32));
+    assert_eq!(size_of::<[u8; 1 << 32]>(), (1 << 32));
 }
 
 fn main() {

src/test/ui/block-fn-coerce.rs

@@ -1,4 +1,5 @@
 // run-pass
+#![allow(unused_braces)]
 
 fn force<F>(f: F) -> isize where F: FnOnce() -> isize { return f(); }
 

src/test/ui/cleanup-rvalue-scopes.rs

@@ -1,5 +1,5 @@
 // run-pass
-
+#![allow(unused_braces)]
 #![allow(non_snake_case)]
 #![allow(unused_variables)]
 // Test that destructors for rvalue temporaries run either at end of

src/test/ui/coerce/coerce-expect-unsized.rs

@@ -1,4 +1,5 @@
 // run-pass
+#![allow(unused_braces)]
 #![feature(box_syntax)]
 
 use std::cell::RefCell;

src/test/ui/coerce/coerce-overloaded-autoderef.rs

@@ -1,4 +1,5 @@
 // run-pass
+#![allow(unused_braces)]
 #![allow(dead_code)]
 // pretty-expanded FIXME #23616
 

src/test/ui/const-generics/issues/issue-62504.rs

@@ -7,13 +7,13 @@ trait HasSize {
     const SIZE: usize;
 }
 
-impl<const X: usize> HasSize for ArrayHolder<{ X }> {
+impl<const X: usize> HasSize for ArrayHolder<X> {
     const SIZE: usize = X;
 }
 
 struct ArrayHolder<const X: usize>([u32; X]);
 
-impl<const X: usize> ArrayHolder<{ X }> {
+impl<const X: usize> ArrayHolder<X> {
     pub const fn new() -> Self {
         ArrayHolder([0; Self::SIZE])
         //~^ ERROR: mismatched types

src/test/ui/const-generics/issues/issue-70125-2.rs

@@ -13,4 +13,4 @@ trait Foo<const X: usize> {
     }
 }
 
-impl Foo<{3}> for () {}
+impl Foo<3> for () {}

src/test/ui/consts/const-block.rs

@@ -1,5 +1,5 @@
 // run-pass
-
+#![allow(unused_braces)]
 #![allow(dead_code)]
 #![allow(unused_unsafe)]
 

src/test/ui/expr-block-generic-unique1.rs

@@ -1,5 +1,5 @@
 // run-pass
-
+#![allow(unused_braces)]
 #![feature(box_syntax)]
 
 fn test_generic<T, F>(expected: Box<T>, eq: F) where T: Clone, F: FnOnce(Box<T>, Box<T>) -> bool {