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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
commita4b7ed7a42c716ab9f05e351f003d589124fd55d (patch)
treeb620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/feature-gates/feature-gate-negate-unsigned.rs
parentAdding upstream version 1.67.1+dfsg1. (diff)
downloadrustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz
rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/feature-gates/feature-gate-negate-unsigned.rs')
-rw-r--r--tests/ui/feature-gates/feature-gate-negate-unsigned.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/feature-gates/feature-gate-negate-unsigned.rs b/tests/ui/feature-gates/feature-gate-negate-unsigned.rs
new file mode 100644
index 000000000..05e04f3e2
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-negate-unsigned.rs
@@ -0,0 +1,18 @@
+// Test that negating unsigned integers doesn't compile
+
+struct S;
+impl std::ops::Neg for S {
+ type Output = u32;
+ fn neg(self) -> u32 { 0 }
+}
+
+fn main() {
+ let _max: usize = -1;
+ //~^ ERROR cannot apply unary operator `-` to type `usize`
+
+ let x = 5u8;
+ let _y = -x;
+ //~^ ERROR cannot apply unary operator `-` to type `u8`
+
+ -S; // should not trigger the gate; issue 26840
+}