this apparently needs more test rounds

Author: RalfJung

src/tools/miri/tests/pass/0weak_memory/weak.rs

@@ -44,11 +44,15 @@ fn check_all_outcomes<T: Eq + std::hash::Hash + std::fmt::Display>(
     let expected: HashSet<T> = HashSet::from_iter(expected);
     let mut seen = HashSet::new();
     // Let's give it N times as many tries as we are expecting values.
-    let tries = expected.len() * 8;
-    for _ in 0..tries {
+    let tries = expected.len() * 12;
+    for i in 0..tries {
         let val = generate();
         assert!(expected.contains(&val), "got an unexpected value: {val}");
         seen.insert(val);
+        if i > tries / 2 && expected.len() == seen.len() {
+            // We saw everything and we did quite a few tries, let's avoid wasting time.
+            return;
+        }
     }
     // Let's see if we saw them all.
     for val in expected {

src/tools/miri/tests/pass/float_nan.rs

@@ -38,10 +38,14 @@ fn check_all_outcomes<T: Eq + std::hash::Hash + fmt::Display>(
     let mut seen = HashSet::new();
     // Let's give it N times as many tries as we are expecting values.
     let tries = expected.len() * 12;
-    for _ in 0..tries {
+    for i in 0..tries {
         let val = generate();
         assert!(expected.contains(&val), "got an unexpected value: {val}");
         seen.insert(val);
+        if i > tries / 2 && expected.len() == seen.len() {
+            // We saw everything and we did quite a few tries, let's avoid wasting time.
+            return;
+        }
     }
     // Let's see if we saw them all.
     for val in expected {