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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/for-loop-while/while-let-2.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/for-loop-while/while-let-2.rs')
-rw-r--r--src/test/ui/for-loop-while/while-let-2.rs31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/for-loop-while/while-let-2.rs b/src/test/ui/for-loop-while/while-let-2.rs
new file mode 100644
index 000000000..b9a49b47c
--- /dev/null
+++ b/src/test/ui/for-loop-while/while-let-2.rs
@@ -0,0 +1,31 @@
+// run-pass
+
+#[allow(dead_code)]
+fn macros() {
+ macro_rules! foo{
+ ($p:pat, $e:expr, $b:block) => {{
+ while let $p = $e $b
+ //~^ WARN irrefutable `while let`
+ //~| WARN irrefutable `while let`
+ }}
+ }
+ macro_rules! bar{
+ ($p:pat, $e:expr, $b:block) => {{
+ foo!($p, $e, $b)
+ }}
+ }
+
+ foo!(_a, 1, {
+ println!("irrefutable pattern");
+ });
+ bar!(_a, 1, {
+ println!("irrefutable pattern");
+ });
+}
+
+pub fn main() {
+ while let _a = 1 { //~ WARN irrefutable `while let`
+ println!("irrefutable pattern");
+ break;
+ }
+}