Replace more "NULL" with "null"

compiler/rustc_mir_build/src/check_unsafety.rs

@@ -296,7 +296,7 @@ impl UnsafeOpKind {
  ),
  DerefOfRawPointer => (
  "dereference of raw pointer",
- "raw pointers may be NULL, dangling or unaligned; they can violate aliasing rules \
+ "raw pointers may be null, dangling or unaligned; they can violate aliasing rules \
  and cause data races: all of these are undefined behavior",
  ),
  AssignToDroppingUnionField => (

src/test/ui/generator/issue-45729-unsafe-in-generator.thir.stderr

@@ -4,7 +4,7 @@ error[E0133]: dereference of raw pointer is unsafe and requires unsafe function
 LL | *(1 as *mut u32) = 42;
  | ^^^^^^^^^^^^^^^^ dereference of raw pointer
  |
- = note: raw pointers may be NULL, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
+ = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
 
 error: aborting due to previous error
 

src/test/ui/issues/issue-47412.thir.stderr

@@ -4,7 +4,7 @@ error[E0133]: dereference of raw pointer is unsafe and requires unsafe function
 LL | match *ptr {}
  | ^^^^ dereference of raw pointer
  |
- = note: raw pointers may be NULL, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
+ = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
 
 error: aborting due to previous error
 

src/test/ui/traits/safety-fn-body.thir.stderr

@@ -4,7 +4,7 @@ error[E0133]: dereference of raw pointer is unsafe and requires unsafe function
 LL | *self += 1;
  | ^^^^^ dereference of raw pointer
  |
- = note: raw pointers may be NULL, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
+ = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
 
 error: aborting due to previous error
 

src/test/ui/unsafe/issue-45087-unreachable-unsafe.thir.stderr

@@ -4,7 +4,7 @@ error[E0133]: dereference of raw pointer is unsafe and requires unsafe function
 LL | *(1 as *mut u32) = 42;
  | ^^^^^^^^^^^^^^^^ dereference of raw pointer
  |
- = note: raw pointers may be NULL, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
+ = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
 
 error: aborting due to previous error
 

src/test/ui/unsafe/unsafe-fn-assign-deref-ptr.thir.stderr

@@ -4,7 +4,7 @@ error[E0133]: dereference of raw pointer is unsafe and requires unsafe function
 LL | *p = 0;
  | ^^ dereference of raw pointer
  |
- = note: raw pointers may be NULL, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
+ = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
 
 error: aborting due to previous error
 

src/test/ui/unsafe/unsafe-fn-deref-ptr.thir.stderr

@@ -4,7 +4,7 @@ error[E0133]: dereference of raw pointer is unsafe and requires unsafe function
 LL | return *p;
  | ^^ dereference of raw pointer
  |
- = note: raw pointers may be NULL, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
+ = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
 
 error: aborting due to previous error
 

src/test/ui/unsafe/unsafe-unstable-const-fn.thir.stderr

@@ -4,7 +4,7 @@ error[E0133]: dereference of raw pointer is unsafe and requires unsafe function
 LL | *a == b
  | ^^ dereference of raw pointer
  |
- = note: raw pointers may be NULL, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
+ = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
 
 error: aborting due to previous error