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Specialize a few tests depending on opt-level.

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This commit is contained in:
Camille GILLOT 2022-05-17 16:18:40 +02:00
parent 6bb549f0d1
commit 6a9946143d
10 changed files with 56 additions and 40 deletions
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4
src/test/ui/issues/issue-67552.rs
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@ -1,4 +1,5 @@
// build-pass
// build-fail
// compile-flags: -Copt-level=0
// normalize-stderr-test: ".nll/" -> "/"
fn main() {
@ -26,5 +27,6 @@ where
T::count(it);
} else {
rec(identity(&mut it))
//~^ ERROR reached the recursion limit while instantiating
}
}

17
src/test/ui/issues/issue-67552.stderr Normal file
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@ -0,0 +1,17 @@
error: reached the recursion limit while instantiating `rec::<&mut &mut &mut &mut &mut &... &mut &mut &mut &mut &mut Empty>`
--> $DIR/issue-67552.rs:29:9
|
LL | rec(identity(&mut it))
| ^^^^^^^^^^^^^^^^^^^^^^
|
note: `rec` defined here
--> $DIR/issue-67552.rs:22:1
|
LL | / fn rec<T>(mut it: T)
LL | | where
LL | | T: Iterator,
| |________________^
= note: the full type name has been written to '$TEST_BUILD_DIR/issues/issue-67552/issue-67552.long-type.txt'
error: aborting due to previous error

2
src/test/ui/panics/location-detail-unwrap-no-file.rs
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@ -1,6 +1,6 @@
// run-fail
// check-run-results
// compile-flags: -Zlocation-detail=line,column
// compile-flags: -Copt-level=0 -Zlocation-detail=line,column
// exec-env:RUST_BACKTRACE=0
fn main() {

2
src/test/ui/panics/location-detail-unwrap-no-file.run.stderr
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@ -1,2 +1,2 @@
thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', <redacted>:8:5
thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', <redacted>:8:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

3
src/test/ui/polymorphization/predicates.rs
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@ -1,5 +1,6 @@
// build-fail
// compile-flags:-Zpolymorphize=on
// compile-flags: -Copt-level=0 -Zpolymorphize=on
#![feature(rustc_attrs)]
// This test checks that `T` is considered used in `foo`, because it is used in a predicate for

38
src/test/ui/polymorphization/predicates.stderr
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@ -1,31 +1,17 @@
error: item has unused generic parameters
--> $DIR/predicates.rs:58:4
|
LL | fn quux<A, B, C: Default>() -> usize
| ^^^^ - - generic parameter `B` is unused
| |
| generic parameter `A` is unused
error: item has unused generic parameters
--> $DIR/predicates.rs:75:4
|
LL | fn foobar<F, G>() -> usize
| ^^^^^^ - generic parameter `F` is unused
error: item has unused generic parameters
--> $DIR/predicates.rs:14:4
--> $DIR/predicates.rs:15:4
|
LL | fn foo<I, T>(_: I)
| ^^^ - generic parameter `T` is unused
error: item has unused generic parameters
--> $DIR/predicates.rs:23:4
--> $DIR/predicates.rs:24:4
|
LL | fn baz<I, T>(_: I)
| ^^^ - generic parameter `T` is unused
error: item has unused generic parameters
--> $DIR/predicates.rs:44:19
--> $DIR/predicates.rs:45:19
|
LL | impl<'a, I, T: 'a, E> Iterator for Foo<'a, I, E>
| - - generic parameter `E` is unused
@ -36,13 +22,27 @@ LL | self.find(|_| true)
| ^^^^^^^^
error: item has unused generic parameters
--> $DIR/predicates.rs:9:4
--> $DIR/predicates.rs:59:4
|
LL | fn quux<A, B, C: Default>() -> usize
| ^^^^ - - generic parameter `B` is unused
| |
| generic parameter `A` is unused
error: item has unused generic parameters
--> $DIR/predicates.rs:76:4
|
LL | fn foobar<F, G>() -> usize
| ^^^^^^ - generic parameter `F` is unused
error: item has unused generic parameters
--> $DIR/predicates.rs:10:4
|
LL | fn bar<I>() {
| ^^^ - generic parameter `I` is unused
note: the above error was encountered while instantiating `fn foo::<std::slice::Iter<u32>, T>`
--> $DIR/predicates.rs:85:5
--> $DIR/predicates.rs:86:5
|
LL | foo(x.iter());
| ^^^^^^^^^^^^^

3
src/test/ui/recursion/issue-83150.rs
View File

@ -1,4 +1,6 @@
// build-fail
// compile-flags: -Copt-level=0
//~^^ ERROR overflow evaluating the requirement
fn main() {
let mut iter = 0u8..1;
@ -7,5 +9,4 @@ fn main() {
fn func<T: Iterator<Item = u8>>(iter: &mut T) { //~ WARN function cannot return without recursing
func(&mut iter.map(|x| x + 1))
//~^ ERROR reached the recursion limit while instantiating
}

17
src/test/ui/recursion/issue-83150.stderr
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@ -1,5 +1,5 @@
warning: function cannot return without recursing
--> $DIR/issue-83150.rs:8:1
--> $DIR/issue-83150.rs:10:1
|
LL | fn func<T: Iterator<Item = u8>>(iter: &mut T) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
@ -9,18 +9,11 @@ LL | func(&mut iter.map(|x| x + 1))
= note: `#[warn(unconditional_recursion)]` on by default
= help: a `loop` may express intention better if this is on purpose
error: reached the recursion limit while instantiating `func::<Map<&mut Map<&mut Map<&mu...ion/issue-83150.rs:9:24: 9:33]>>`
--> $DIR/issue-83150.rs:9:5
error[E0275]: overflow evaluating the requirement `Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut std::ops::Range<u8>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>: Iterator`
|
LL | func(&mut iter.map(|x| x + 1))
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: `func` defined here
--> $DIR/issue-83150.rs:8:1
|
LL | fn func<T: Iterator<Item = u8>>(iter: &mut T) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= note: the full type name has been written to '$TEST_BUILD_DIR/recursion/issue-83150/issue-83150.long-type.txt'
= help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_83150`)
= note: required because of the requirements on the impl of `Iterator` for `&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut std::ops::Range<u8>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>, [closure@$DIR/issue-83150.rs:11:24: 11:33]>`
error: aborting due to previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0275`.

2
src/test/ui/type_length_limit.rs
View File

@ -1,8 +1,10 @@
// build-fail
// error-pattern: reached the type-length limit while instantiating
// compile-flags: -Copt-level=0
// normalize-stderr-test: ".nll/" -> "/"
// Test that the type length limit can be changed.
// The exact type depends on optimizations, so disable them.
#![allow(dead_code)]
#![type_length_limit="4"]

8
src/test/ui/type_length_limit.stderr
View File

@ -1,8 +1,8 @@
error: reached the type-length limit while instantiating `<[closure@std::rt::lang_start<()...e<()>>::call_once - shim(vtable)`
--> $SRC_DIR/core/src/ops/function.rs:LL:COL
error: reached the type-length limit while instantiating `std::mem::drop::<Option<((((...,....., ...), ..., ...), ..., ...)>>`
--> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | pub fn drop<T>(_x: T) {}
| ^^^^^^^^^^^^^^^^^^^^^
|
= note: the full type name has been written to '$TEST_BUILD_DIR/type_length_limit/type_length_limit.long-type.txt'
= help: consider adding a `#![type_length_limit="8"]` attribute to your crate