Post-rebase test updates

Author: lucic71

tests/unit/out/unsafe/huffman.rs

@@ -6,6 +6,7 @@ use std::collections::BTreeMap;
 use std::io::{Read, Seek, Write};
 use std::os::fd::{AsFd, FromRawFd, IntoRawFd};
 use std::rc::Rc;
+#[repr(C)]
 #[derive(Copy, Clone, Default)]
 pub struct MinHeapNode {
     pub data: u8,
@@ -40,6 +41,7 @@ pub unsafe fn Swap_0(a: *mut MinHeapNode, b: *mut MinHeapNode) {
     })
     .clone();
 }
+#[repr(C)]
 #[derive(Default)]
 pub struct MinHeap {
     pub size: i32,

tests/unit/out/unsafe/polymorphism.rs

@@ -9,13 +9,15 @@ use std::rc::Rc;
 pub unsafe trait Animal {
     unsafe fn bark(&self) -> bool;
 }
+#[repr(C)]
 #[derive(Copy, Clone, Default)]
 pub struct Dog {}
 unsafe impl Animal for Dog {
     unsafe fn bark(&self) -> bool {
         return true;
     }
 }
+#[repr(C)]
 #[derive(Copy, Clone, Default)]
 pub struct Cat {}
 impl Cat {

tests/unit/out/unsafe/union_tagged_many_arms.rs

@@ -15,14 +15,21 @@ enum Tag {
     T_FLOAT = 3,
     T_REF = 4,
 }
-#[derive(Copy, Clone, Default)]
-pub struct Slot_anon_0 {
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub union Slot_anon_0 {
     pub text: *const u8,
     pub handle: *mut ::libc::c_void,
     pub signed_n: i64,
     pub unsigned_n: u64,
     pub f: f64,
 }
+impl Default for Slot_anon_0 {
+    fn default() -> Self {
+        unsafe { std::mem::zeroed() }
+    }
+}
+#[repr(C)]
 #[derive(Copy, Clone, Default)]
 pub struct Slot {
     pub tag: Tag,

tests/unit/out/unsafe/union_tagged_struct_arms.rs

@@ -13,19 +13,22 @@ enum Choice {
     C_LETTERS = 2,
     C_INTEGERS = 3,
 }
+#[repr(C)]
 #[derive(Copy, Clone, Default)]
 pub struct Branch_anon_0_anon_0 {
     pub items: *mut *mut u8,
     pub count: i64,
     pub cursor: i64,
 }
+#[repr(C)]
 #[derive(Copy, Clone, Default)]
 pub struct Branch_anon_0_anon_1 {
     pub lo: i32,
     pub hi: i32,
     pub curr: i32,
     pub step: u8,
 }
+#[repr(C)]
 #[derive(Copy, Clone, Default)]
 pub struct Branch_anon_0_anon_2 {
     pub lo: i64,
@@ -34,12 +37,19 @@ pub struct Branch_anon_0_anon_2 {
     pub step: i64,
     pub width: i32,
 }
-#[derive(Copy, Clone, Default)]
-pub struct Branch_anon_0 {
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub union Branch_anon_0 {
     pub list: Branch_anon_0_anon_0,
     pub letters: Branch_anon_0_anon_1,
     pub integers: Branch_anon_0_anon_2,
 }
+impl Default for Branch_anon_0 {
+    fn default() -> Self {
+        unsafe { std::mem::zeroed() }
+    }
+}
+#[repr(C)]
 #[derive(Copy, Clone, Default)]
 pub struct Branch {
     pub choice: Choice,

tests/unit/out/unsafe/unique_ptr_const_deref.rs

@@ -6,6 +6,7 @@ use std::collections::BTreeMap;
 use std::io::{Read, Seek, Write};
 use std::os::fd::{AsFd, FromRawFd, IntoRawFd};
 use std::rc::Rc;
+#[repr(C)]
 #[derive(Default)]
 pub struct Holder {
     pub val: Option<Box<i32>>,

tests/unit/out/unsafe/va_arg_struct_ctx.rs

@@ -6,6 +6,7 @@ use std::collections::BTreeMap;
 use std::io::{Read, Seek, Write};
 use std::os::fd::{AsFd, FromRawFd, IntoRawFd};
 use std::rc::Rc;
+#[repr(C)]
 #[derive(Copy, Clone, Default)]
 pub struct context {
     pub verbose: i32,