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authorYuki Okushi <jtitor@2k36.org>2022-09-28 13:07:16 +0900
committerGitHub <noreply@github.com>2022-09-28 13:07:16 +0900
commit49bc6684932b2a11b69cc0b037b2636e90bc2b22 (patch)
tree7266ac43c2513666ec314ccaaf42057734624dbb /src/test
parent90c34fafcfa1d00ae25a165dc006e688761a5776 (diff)
parentc0d32fd2cc4eafe4f621490e7c44b7af04d1f2be (diff)
Rollup merge of #100747 - MatthewPeterKelly:mpk/add-long-error-message-for-E0311, r=MatthewPeterKelly
Add long description and test for E0311

Adds a long description and unit test for the E0311 compiler error.

Fixes one line-item in https://github.com/rust-lang/rust/issues/61137.
Diffstat (limited to 'src/test')
-rw-r--r--src/test/ui/error-codes/E0311.rs9
-rw-r--r--src/test/ui/error-codes/E0311.stderr24
-rw-r--r--src/test/ui/lifetimes/suggest-introducing-and-adding-missing-lifetime.stderr1
-rw-r--r--src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature-2.stderr1
-rw-r--r--src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr2
5 files changed, 36 insertions, 1 deletions
diff --git a/src/test/ui/error-codes/E0311.rs b/src/test/ui/error-codes/E0311.rs
new file mode 100644
index 00000000000..566b518b433
--- /dev/null
+++ b/src/test/ui/error-codes/E0311.rs
@@ -0,0 +1,9 @@
+fn no_restriction<T>(x: &()) -> &() {
+    with_restriction::<T>(x) //~ ERROR E0311
+}
+
+fn with_restriction<'a, T: 'a>(x: &'a ()) -> &'a () {
+    x
+}
+
+fn main() {}
diff --git a/src/test/ui/error-codes/E0311.stderr b/src/test/ui/error-codes/E0311.stderr
new file mode 100644
index 00000000000..9873b5ae6ff
--- /dev/null
+++ b/src/test/ui/error-codes/E0311.stderr
@@ -0,0 +1,24 @@
+error[E0311]: the parameter type `T` may not live long enough
+  --> $DIR/E0311.rs:2:5
+   |
+LL |     with_restriction::<T>(x)
+   |     ^^^^^^^^^^^^^^^^^^^^^
+   |
+note: the parameter type `T` must be valid for the anonymous lifetime defined here...
+  --> $DIR/E0311.rs:1:25
+   |
+LL | fn no_restriction<T>(x: &()) -> &() {
+   |                         ^^^
+note: ...so that the type `T` will meet its required lifetime bounds
+  --> $DIR/E0311.rs:2:5
+   |
+LL |     with_restriction::<T>(x)
+   |     ^^^^^^^^^^^^^^^^^^^^^
+help: consider adding an explicit lifetime bound...
+   |
+LL | fn no_restriction<'a, T: 'a>(x: &()) -> &() {
+   |                   +++  ++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0311`.
diff --git a/src/test/ui/lifetimes/suggest-introducing-and-adding-missing-lifetime.stderr b/src/test/ui/lifetimes/suggest-introducing-and-adding-missing-lifetime.stderr
index a8b0996d8b0..31fd8a4d633 100644
--- a/src/test/ui/lifetimes/suggest-introducing-and-adding-missing-lifetime.stderr
+++ b/src/test/ui/lifetimes/suggest-introducing-and-adding-missing-lifetime.stderr
@@ -21,3 +21,4 @@ LL | fn no_restriction<'a, T: 'a>(x: &()) -> &() {
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0311`.
diff --git a/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature-2.stderr b/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature-2.stderr
index e5d2ead6ad6..872263fd731 100644
--- a/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature-2.stderr
+++ b/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature-2.stderr
@@ -27,3 +27,4 @@ LL | fn func<'a, T: Test + 'a>(foo: &Foo, t: T) {
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0311`.
diff --git a/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr b/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr
index ed1b91676a2..171f4b333db 100644
--- a/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr
+++ b/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr
@@ -164,5 +164,5 @@ LL |     G: Get<T> + 'a,
 
 error: aborting due to 8 previous errors
 
-Some errors have detailed explanations: E0261, E0309, E0621, E0700.
+Some errors have detailed explanations: E0261, E0309, E0311, E0621, E0700.
 For more information about an error, try `rustc --explain E0261`.