ignore/fix layout-sensitive tests

Author: the8472

src/test/codegen/issue-37945.rs

@@ -15,7 +15,7 @@ use std::slice::Iter;
 pub fn is_empty_1(xs: Iter<f32>) -> bool {
 // CHECK-LABEL: @is_empty_1(
 // CHECK-NEXT:  start:
-// CHECK-NEXT:    [[A:%.*]] = icmp ne {{i32\*|ptr}} %xs.1, null
+// CHECK-NEXT:    [[A:%.*]] = icmp ne {{i32\*|ptr}} {{%xs.1|%xs.0}}, null
 // CHECK-NEXT:    tail call void @llvm.assume(i1 [[A]])
 // The order between %xs.0 and %xs.1 on the next line doesn't matter
 // and different LLVM versions produce different order.
@@ -28,7 +28,7 @@ pub fn is_empty_1(xs: Iter<f32>) -> bool {
 pub fn is_empty_2(xs: Iter<f32>) -> bool {
 // CHECK-LABEL: @is_empty_2
 // CHECK-NEXT:  start:
-// CHECK-NEXT:    [[C:%.*]] = icmp ne {{i32\*|ptr}} %xs.1, null
+// CHECK-NEXT:    [[C:%.*]] = icmp ne {{i32\*|ptr}} {{%xs.1|%xs.0}}, null
 // CHECK-NEXT:    tail call void @llvm.assume(i1 [[C]])
 // The order between %xs.0 and %xs.1 on the next line doesn't matter
 // and different LLVM versions produce different order.

src/test/ui/consts/std/alloc.rs

@@ -1,4 +1,5 @@
 // stderr-per-bitwidth
+// needs-deterministic-layouts (randomized layout affects printing of the raw bytes)
 // ignore-debug (the debug assertions change the error)
 use std::alloc::Layout;
 

src/test/ui/stats/hir-stats.rs

@@ -1,4 +1,5 @@
 // check-pass
+// needs-deterministic-layouts (layout randomization affects the hir stat output)
 // compile-flags: -Zhir-stats
 // only-x86_64