Fix fallout in tests.

src/test/compile-fail/issue-32922.rs

@@ -17,7 +17,7 @@ macro_rules! foo { () => {
     let _ = bar!();
 }}
 
-macro_rules! bar { // test issue #31856
+macro_rules! m { // test issue #31856
     ($n:ident) => (
         let a = 1;
         let $n = a;

src/test/run-pass/hygiene.rs

@@ -22,23 +22,23 @@ fn f() {
 
 fn g() {
     let x = 0;
-    macro_rules! m { ($x:ident) => {
-        macro_rules! m2 { () => { ($x, x) } }
+    macro_rules! m { ($m1:ident, $m2:ident, $x:ident) => {
+        macro_rules! $m1 { () => { ($x, x) } }
         let x = 1;
-        macro_rules! m3 { () => { ($x, x) } }
+        macro_rules! $m2 { () => { ($x, x) } }
     } }
 
     let x = 2;
-    m!(x);
+    m!(m2, m3, x);
 
     let x = 3;
     assert_eq!(m2!(), (2, 0));
     assert_eq!(m3!(), (2, 1));
 
     let x = 4;
-    m!(x);
-    assert_eq!(m2!(), (4, 0));
-    assert_eq!(m3!(), (4, 1));
+    m!(m4, m5, x);
+    assert_eq!(m4!(), (4, 0));
+    assert_eq!(m5!(), (4, 1));
 }
 
 mod foo {