Merging upstream version 1.72.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/tests/ui/lint/invalid-nan-comparison-suggestion.rs b/tests/ui/lint/invalid-nan-comparison-suggestion.rs
new file mode 100644
index 000000000..ad5eb66e5
--- /dev/null
+++ b/tests/ui/lint/invalid-nan-comparison-suggestion.rs
@@ -0,0 +1,39 @@
+// check-pass
+// run-rustfix
+
+fn main() {
+    let x = 5f32;
+    let _ = x == f32::NAN;
+    //~^ WARN incorrect NaN comparison
+    let _ = x != f32::NAN;
+    //~^ WARN incorrect NaN comparison
+
+    let x = 5f64;
+    let _ = x == f64::NAN;
+    //~^ WARN incorrect NaN comparison
+    let _ = x != f64::NAN;
+    //~^ WARN incorrect NaN comparison
+
+    let b = &2.3f32;
+    if b != &f32::NAN {}
+    //~^ WARN incorrect NaN comparison
+
+    let b = &2.3f32;
+    if b != { &f32::NAN } {}
+    //~^ WARN incorrect NaN comparison
+
+    let _ =
+        b != {
+    //~^ WARN incorrect NaN comparison
+            &f32::NAN
+        };
+
+    #[allow(unused_macros)]
+    macro_rules! nan { () => { f32::NAN }; }
+    macro_rules! number { () => { 5f32 }; }
+
+    let _ = nan!() == number!();
+    //~^ WARN incorrect NaN comparison
+    let _ = number!() != nan!();
+    //~^ WARN incorrect NaN comparison
+}