Merge #7134

7134: Fix infer error of macro invocation in array expr r=edwin0cheng a=edwin0cheng

Fixed following infer error:

```rust
macro_rules! bar { () => {0u32} }
fn test() {
    let a = [bar!()];   // a : [unknown]
}
```

bors r+

Co-authored-by: Edwin Cheng <[email protected]>

1 files changed, 18 insertions, 0 deletions

diff --git a/crates/hir_ty/src/tests/regression.rs b/crates/hir_ty/src/tests/regression.rs
index 307a257b1..cffe8630b 100644
--- a/crates/hir_ty/src/tests/regression.rs
+++ b/crates/hir_ty/src/tests/regression.rs
@@ -326,6 +326,24 @@ fn infer_paren_macro_call() {
 }
 
 #[test]
+fn infer_array_macro_call() {
+    check_infer(
+        r#"
+        macro_rules! bar { () => {0u32} }
+        fn test() {
+            let a = [bar!()];
+        }
+        "#,
+        expect![[r#"
+            !0..4 '0u32': u32
+            44..69 '{     ...()]; }': ()
+            54..55 'a': [u32; _]
+            58..66 '[bar!()]': [u32; _]
+        "#]],
+    );
+}
+
+#[test]
 fn bug_1030() {
     check_infer(
         r#"