1 files changed, 0 insertions, 137 deletions
diff --git a/src/test/ui/generator/discriminant.rs b/src/test/ui/generator/discriminant.rs
deleted file mode 100644
index 195e7702299..00000000000
--- a/src/test/ui/generator/discriminant.rs
+++ /dev/null
@@ -1,137 +0,0 @@
-//! Tests that generator discriminant sizes and ranges are chosen optimally and that they are
-//! reflected in the output of `mem::discriminant`.
-
-// run-pass
-
-#![feature(generators, generator_trait, core_intrinsics, discriminant_kind)]
-
-use std::intrinsics::discriminant_value;
-use std::marker::{Unpin, DiscriminantKind};
-use std::mem::size_of_val;
-use std::{cmp, ops::*};
-
-macro_rules! yield25 {
-    ($e:expr) => {
-        yield $e;
-        yield $e;
-        yield $e;
-        yield $e;
-        yield $e;
-
-        yield $e;
-        yield $e;
-        yield $e;
-        yield $e;
-        yield $e;
-
-        yield $e;
-        yield $e;
-        yield $e;
-        yield $e;
-        yield $e;
-
-        yield $e;
-        yield $e;
-        yield $e;
-        yield $e;
-        yield $e;
-
-        yield $e;
-        yield $e;
-        yield $e;
-        yield $e;
-        yield $e;
-    };
-}
-
-/// Yields 250 times.
-macro_rules! yield250 {
-    () => {
-        yield250!(())
-    };
-
-    ($e:expr) => {
-        yield25!($e);
-        yield25!($e);
-        yield25!($e);
-        yield25!($e);
-        yield25!($e);
-
-        yield25!($e);
-        yield25!($e);
-        yield25!($e);
-        yield25!($e);
-        yield25!($e);
-    };
-}
-
-fn cycle(
-    gen: impl Generator<()> + Unpin + DiscriminantKind<Discriminant = u32>,
-    expected_max_discr: u32
-) {
-    let mut gen = Box::pin(gen);
-    let mut max_discr = 0;
-    loop {
-        max_discr = cmp::max(max_discr, discriminant_value(gen.as_mut().get_mut()));
-        match gen.as_mut().resume(()) {
-            GeneratorState::Yielded(_) => {}
-            GeneratorState::Complete(_) => {
-                assert_eq!(max_discr, expected_max_discr);
-                return;
-            }
-        }
-    }
-}
-
-fn main() {
-    // Has only one invalid discr. value.
-    let gen_u8_tiny_niche = || {
-        || {
-            // 3 reserved variants
-
-            yield250!(); // 253 variants
-
-            yield; // 254
-            yield; // 255
-        }
-    };
-
-    // Uses all values in the u8 discriminant.
-    let gen_u8_full = || {
-        || {
-            // 3 reserved variants
-
-            yield250!(); // 253 variants
-
-            yield; // 254
-            yield; // 255
-            yield; // 256
-        }
-    };
-
-    // Barely needs a u16 discriminant.
-    let gen_u16 = || {
-        || {
-            // 3 reserved variants
-
-            yield250!(); // 253 variants
-
-            yield; // 254
-            yield; // 255
-            yield; // 256
-            yield; // 257
-        }
-    };
-
-    assert_eq!(size_of_val(&gen_u8_tiny_niche()), 1);
-    assert_eq!(size_of_val(&Some(gen_u8_tiny_niche())), 1); // uses niche
-    assert_eq!(size_of_val(&Some(Some(gen_u8_tiny_niche()))), 2); // cannot use niche anymore
-    assert_eq!(size_of_val(&gen_u8_full()), 1);
-    assert_eq!(size_of_val(&Some(gen_u8_full())), 2); // cannot use niche
-    assert_eq!(size_of_val(&gen_u16()), 2);
-    assert_eq!(size_of_val(&Some(gen_u16())), 2); // uses niche
-
-    cycle(gen_u8_tiny_niche(), 254);
-    cycle(gen_u8_full(), 255);
-    cycle(gen_u16(), 256);
-}