don't trigger needless_late_init when the first usage is in macro (rust-lang#14053)

fix rust-lang#13776

changelog: [`needless_late_init`]: don't trigger `needless_late_init`
when the first usage is in macro

Author: y21

clippy_lints/src/needless_late_init.rs

@@ -107,6 +107,10 @@ struct LocalAssign {
 
 impl LocalAssign {
     fn from_expr(expr: &Expr<'_>, span: Span) -> Option<Self> {
+        if expr.span.from_expansion() {
+            return None;
+        }
+
         if let ExprKind::Assign(lhs, rhs, _) = expr.kind {
             if lhs.span.from_expansion() {
                 return None;

tests/ui/needless_late_init.fixed

@@ -270,3 +270,14 @@ fn issue8911() -> u32 {
 
     3
 }
+
+macro_rules! issue13776_mac {
+    ($var:expr, $val:literal) => {
+        $var = $val;
+    };
+}
+
+fn issue13776() {
+    let x;
+    issue13776_mac!(x, 10); // should not lint
+}

tests/ui/needless_late_init.rs

@@ -270,3 +270,14 @@ fn issue8911() -> u32 {
 
     3
 }
+
+macro_rules! issue13776_mac {
+    ($var:expr, $val:literal) => {
+        $var = $val;
+    };
+}
+
+fn issue13776() {
+    let x;
+    issue13776_mac!(x, 10); // should not lint
+}