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| author | kennytm <kennytm@gmail.com> | 2018-10-19 11:03:30 +0800 |
|---|---|---|
| committer | kennytm <kennytm@gmail.com> | 2018-10-19 16:47:42 +0800 |
| commit | 89ebc6ce4f7bcec8e0cdffe95bf8a92bbdfe04e5 (patch) | |
| tree | 801b6b3e00d6634fdd25ed26d56dc09c5c230699 /src/test | |
| parent | 1419a697e3849cf929b70c4d2b61643190030981 (diff) | |
| parent | 38f3ad41c0bbf6ed7c389a070afb60a465b3afe3 (diff) | |
| download | rust-89ebc6ce4f7bcec8e0cdffe95bf8a92bbdfe04e5.tar.gz rust-89ebc6ce4f7bcec8e0cdffe95bf8a92bbdfe04e5.zip | |
Rollup merge of #55071 - oli-obk:const_cast_🍨, r=RalfJung
Fix ICE and report a human readable error fixes #55063 r? @RalfJung
Diffstat (limited to 'src/test')
4 files changed, 61 insertions, 0 deletions
diff --git a/src/test/ui/consts/min_const_fn/bad_const_fn_body_ice.rs b/src/test/ui/consts/min_const_fn/bad_const_fn_body_ice.rs new file mode 100644 index 00000000000..3e42cb8c1b0 --- /dev/null +++ b/src/test/ui/consts/min_const_fn/bad_const_fn_body_ice.rs @@ -0,0 +1,5 @@ +const fn foo(a: i32) -> Vec<i32> { + vec![1, 2, 3] //~ ERROR heap allocations are not allowed in const fn +} + +fn main() {} diff --git a/src/test/ui/consts/min_const_fn/bad_const_fn_body_ice.stderr b/src/test/ui/consts/min_const_fn/bad_const_fn_body_ice.stderr new file mode 100644 index 00000000000..f6b704370b6 --- /dev/null +++ b/src/test/ui/consts/min_const_fn/bad_const_fn_body_ice.stderr @@ -0,0 +1,10 @@ +error: heap allocations are not allowed in const fn + --> $DIR/bad_const_fn_body_ice.rs:2:5 + | +LL | vec![1, 2, 3] //~ ERROR heap allocations are not allowed in const fn + | ^^^^^^^^^^^^^ + | + = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) + +error: aborting due to previous error + diff --git a/src/test/ui/consts/min_const_fn/cast_errors.rs b/src/test/ui/consts/min_const_fn/cast_errors.rs new file mode 100644 index 00000000000..8648cd35387 --- /dev/null +++ b/src/test/ui/consts/min_const_fn/cast_errors.rs @@ -0,0 +1,14 @@ +fn main() {} + +const fn unsize(x: &[u8; 3]) -> &[u8] { x } +//~^ ERROR unsizing casts are not allowed in const fn +const fn closure() -> fn() { || {} } +//~^ ERROR function pointers in const fn are unstable +const fn closure2() { + (|| {}) as fn(); +//~^ ERROR function pointers in const fn are unstable +} +const fn reify(f: fn()) -> unsafe fn() { f } +//~^ ERROR function pointers in const fn are unstable +const fn reify2() { main as unsafe fn(); } +//~^ ERROR function pointers in const fn are unstable diff --git a/src/test/ui/consts/min_const_fn/cast_errors.stderr b/src/test/ui/consts/min_const_fn/cast_errors.stderr new file mode 100644 index 00000000000..ba980b7aacb --- /dev/null +++ b/src/test/ui/consts/min_const_fn/cast_errors.stderr @@ -0,0 +1,32 @@ +error: unsizing casts are not allowed in const fn + --> $DIR/cast_errors.rs:3:41 + | +LL | const fn unsize(x: &[u8; 3]) -> &[u8] { x } + | ^ + +error: function pointers in const fn are unstable + --> $DIR/cast_errors.rs:5:23 + | +LL | const fn closure() -> fn() { || {} } + | ^^^^ + +error: function pointers in const fn are unstable + --> $DIR/cast_errors.rs:8:5 + | +LL | (|| {}) as fn(); + | ^^^^^^^^^^^^^^^ + +error: function pointers in const fn are unstable + --> $DIR/cast_errors.rs:11:28 + | +LL | const fn reify(f: fn()) -> unsafe fn() { f } + | ^^^^^^^^^^^ + +error: function pointers in const fn are unstable + --> $DIR/cast_errors.rs:13:21 + | +LL | const fn reify2() { main as unsafe fn(); } + | ^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 5 previous errors + |