fix: Use annotated type when checking declaration

compiler/noirc_frontend/src/hir/type_check/stmt.rs

@@ -348,8 +348,10 @@ impl<'interner> TypeChecker<'interner> {
             if annotated_type.is_unsigned() {
                 self.lint_overflowing_uint(&rhs_expr, &annotated_type);
             }
+            annotated_type
+        } else {
+            expr_type
         }
-        expr_type
     }
 
     /// Check if an assignment is overflowing with respect to `annotated_type`

test_programs/execution_success/slice_init_with_complex_type/Nargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "slice_init_with_complex_type"
+type = "bin"
+authors = [""]
+compiler_version = ">=0.28.0"
+
+[dependencies]

test_programs/execution_success/slice_init_with_complex_type/src/main.nr

@@ -0,0 +1,17 @@
+struct strct1 {
+    elem1: Field,
+}
+
+fn main() {
+    let var1: [[i32; 1]] = [[0]];
+    let var2: [[i32; 1]] = var1;
+
+    let var1: [(i32, u8)] = [(1, 2)];
+    let var2: [(i32, u8)] = var1;
+
+    let var3: [strct1] = [strct1 { elem1: 1321351 }];
+    let var4: [strct1] = var3;
+
+    let var1: [i32; 1] = [0];
+    let var2: [[i32; 1]] = [var1];
+}