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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:03:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:03:36 +0000
commit17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch)
tree3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /src/test/ui/for-loop-while
parentAdding upstream version 1.64.0+dfsg1. (diff)
downloadrustc-upstream/1.65.0+dfsg1.tar.xz
rustc-upstream/1.65.0+dfsg1.zip
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/for-loop-while')
-rw-r--r--src/test/ui/for-loop-while/break-while-condition.stderr8
-rw-r--r--src/test/ui/for-loop-while/label_break_value.rs1
-rw-r--r--src/test/ui/for-loop-while/label_break_value_invalid.rs1
-rw-r--r--src/test/ui/for-loop-while/label_break_value_invalid.stderr6
4 files changed, 11 insertions, 5 deletions
diff --git a/src/test/ui/for-loop-while/break-while-condition.stderr b/src/test/ui/for-loop-while/break-while-condition.stderr
index 6960c4fd8..e79f6a75f 100644
--- a/src/test/ui/for-loop-while/break-while-condition.stderr
+++ b/src/test/ui/for-loop-while/break-while-condition.stderr
@@ -31,6 +31,14 @@ LL | | }
|
= note: expected type `!`
found unit type `()`
+note: the function expects a value to always be returned, but loops might run zero times
+ --> $DIR/break-while-condition.rs:24:13
+ |
+LL | while false {
+ | ^^^^^^^^^^^ this might have zero elements to iterate on
+LL | return
+ | ------ if the loop doesn't execute, this value would never get returned
+ = help: return a value for the case when the loop has zero elements to iterate on, or consider changing the return type to account for that possibility
error: aborting due to 3 previous errors
diff --git a/src/test/ui/for-loop-while/label_break_value.rs b/src/test/ui/for-loop-while/label_break_value.rs
index ca9d71a7a..10992c505 100644
--- a/src/test/ui/for-loop-while/label_break_value.rs
+++ b/src/test/ui/for-loop-while/label_break_value.rs
@@ -1,7 +1,6 @@
// run-pass
#![allow(dead_code)]
#![allow(unused_assignments)]
-#![feature(label_break_value)]
// Test control flow to follow label_break_value semantics
fn label_break(a: bool, b: bool) -> u32 {
diff --git a/src/test/ui/for-loop-while/label_break_value_invalid.rs b/src/test/ui/for-loop-while/label_break_value_invalid.rs
index 149bf17b8..fcf2e0f29 100644
--- a/src/test/ui/for-loop-while/label_break_value_invalid.rs
+++ b/src/test/ui/for-loop-while/label_break_value_invalid.rs
@@ -1,5 +1,4 @@
#![crate_type = "lib"]
-#![feature(label_break_value)]
fn lbv_macro_test_hygiene_respected() {
macro_rules! mac2 {
diff --git a/src/test/ui/for-loop-while/label_break_value_invalid.stderr b/src/test/ui/for-loop-while/label_break_value_invalid.stderr
index 7182b8f59..f6999c4ab 100644
--- a/src/test/ui/for-loop-while/label_break_value_invalid.stderr
+++ b/src/test/ui/for-loop-while/label_break_value_invalid.stderr
@@ -1,5 +1,5 @@
error[E0426]: use of undeclared label `'a`
- --> $DIR/label_break_value_invalid.rs:7:19
+ --> $DIR/label_break_value_invalid.rs:6:19
|
LL | break 'a $val;
| ^^ undeclared label `'a`
@@ -10,7 +10,7 @@ LL | mac2!(2);
= note: this error originates in the macro `mac2` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0426]: use of undeclared label `'a`
- --> $DIR/label_break_value_invalid.rs:29:19
+ --> $DIR/label_break_value_invalid.rs:28:19
|
LL | let x: u8 = mac3!('b: {
| -- a label with a similar name is reachable
@@ -22,7 +22,7 @@ LL | break 'a 3;
| help: try using similarly named label: `'b`
error[E0426]: use of undeclared label `'a`
- --> $DIR/label_break_value_invalid.rs:34:29
+ --> $DIR/label_break_value_invalid.rs:33:29
|
LL | let x: u8 = mac3!(break 'a 4);
| ^^ undeclared label `'a`