suggest parenthesis around ExprWithBlock BinOp ExprWithBlock

src/test/ui/parser/expr-as-stmt.fixed

@@ -64,4 +64,16 @@ fn asteroids() -> impl FnOnce() -> bool {
     { foo(); } || { true } //~ ERROR E0308
 }
 
+// https://github.com/rust-lang/rust/issues/105179
+fn r#match() -> i32 {
+    (match () { () => 1 }) + match () { () => 1 } //~ ERROR expected expression, found `+`
+    //~^ ERROR mismatched types
+}
+
+// https://github.com/rust-lang/rust/issues/102171
+fn r#unsafe() -> i32 {
+    (unsafe { 1 }) + unsafe { 1 } //~ ERROR expected expression, found `+`
+    //~^ ERROR mismatched types
+}
+
 fn main() {}

src/test/ui/parser/expr-as-stmt.rs

@@ -64,4 +64,16 @@ fn asteroids() -> impl FnOnce() -> bool {
     { foo() } || { true } //~ ERROR E0308
 }
 
+// https://github.com/rust-lang/rust/issues/105179
+fn r#match() -> i32 {
+    match () { () => 1 } + match () { () => 1 } //~ ERROR expected expression, found `+`
+    //~^ ERROR mismatched types
+}
+
+// https://github.com/rust-lang/rust/issues/102171
+fn r#unsafe() -> i32 {
+    unsafe { 1 } + unsafe { 1 } //~ ERROR expected expression, found `+`
+    //~^ ERROR mismatched types
+}
+
 fn main() {}

src/test/ui/parser/expr-as-stmt.stderr

@@ -55,6 +55,28 @@ help: parentheses are required to parse this as an expression
 LL |     ({ true }) | { true }
    |     +        +
 
+error: expected expression, found `+`
+  --> $DIR/expr-as-stmt.rs:69:26
+   |
+LL |     match () { () => 1 } + match () { () => 1 }
+   |                          ^ expected expression
+   |
+help: parentheses are required to parse this as an expression
+   |
+LL |     (match () { () => 1 }) + match () { () => 1 }
+   |     +                    +
+
+error: expected expression, found `+`
+  --> $DIR/expr-as-stmt.rs:75:18
+   |
+LL |     unsafe { 1 } + unsafe { 1 }
+   |                  ^ expected expression
+   |
+help: parentheses are required to parse this as an expression
+   |
+LL |     (unsafe { 1 }) + unsafe { 1 }
+   |     +            +
+
 error[E0308]: mismatched types
   --> $DIR/expr-as-stmt.rs:64:7
    |
@@ -201,7 +223,26 @@ help: parentheses are required to parse this as an expression
 LL |     ({ true }) || { true }
    |     +        +
 
-error: aborting due to 18 previous errors
+error[E0308]: mismatched types
+  --> $DIR/expr-as-stmt.rs:69:5
+   |
+LL |     match () { () => 1 } + match () { () => 1 }
+   |     ^^^^^^^^^^^^^^^^^^^^- help: consider using a semicolon here
+   |     |
+   |     expected `()`, found integer
+
+error[E0308]: mismatched types
+  --> $DIR/expr-as-stmt.rs:75:14
+   |
+LL |     unsafe { 1 } + unsafe { 1 }
+   |              ^ expected `()`, found integer
+   |
+help: you might have meant to return this value
+   |
+LL |     unsafe { return 1; } + unsafe { 1 }
+   |              ++++++  +
+
+error: aborting due to 22 previous errors
 
 Some errors have detailed explanations: E0308, E0600, E0614.
 For more information about an error, try `rustc --explain E0308`.