From a0b8f38ab54ac451646aa00cd5e91b6c76f22a84 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 30 May 2024 05:57:19 +0200
Subject: Merging upstream version 1.72.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../fn-ptr-is-structurally-matchable.rs            | 135 ---------------------
 1 file changed, 135 deletions(-)
 delete mode 100644 tests/ui/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.rs

(limited to 'tests/ui/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.rs')

diff --git a/tests/ui/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.rs b/tests/ui/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.rs
deleted file mode 100644
index 2b3fbd2a4..000000000
--- a/tests/ui/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.rs
+++ /dev/null
@@ -1,135 +0,0 @@
-// run-pass
-
-// This file checks that fn ptrs are considered structurally matchable.
-// See also rust-lang/rust#63479.
-
-fn main() {
-    let mut count = 0;
-
-    // A type which is not structurally matchable:
-    struct NotSM;
-
-    // And one that is:
-    #[derive(PartialEq, Eq)]
-    struct SM;
-
-    fn trivial() {}
-
-    fn sm_to(_: SM) {}
-    fn not_sm_to(_: NotSM) {}
-    fn to_sm() -> SM { SM }
-    fn to_not_sm() -> NotSM { NotSM }
-
-    // To recreate the scenario of interest in #63479, we need to add
-    // a ref-level-of-indirection so that we descend into the type.
-
-    fn r_sm_to(_: &SM) {}
-    fn r_not_sm_to(_: &NotSM) {}
-    fn r_to_r_sm(_: &()) -> &SM { &SM }
-    fn r_to_r_not_sm(_: &()) -> &NotSM { &NotSM }
-
-    #[derive(PartialEq, Eq)]
-    struct Wrap<T>(T);
-
-    // In the code below, we put the match input into a local so that
-    // we can assign it an explicit type that is an fn ptr instead of
-    // a singleton type of the fn itself that the type inference would
-    // otherwise assign.
-
-    // Check that fn() is structural-match
-    const CFN1: Wrap<fn()> = Wrap(trivial);
-    let input: Wrap<fn()> = Wrap(trivial);
-    match Wrap(input) {
-        Wrap(CFN1) => count += 1,
-        Wrap(_) => {}
-    };
-
-    // Check that fn(T) is structural-match when T is too.
-    const CFN2: Wrap<fn(SM)> = Wrap(sm_to);
-    let input: Wrap<fn(SM)> = Wrap(sm_to);
-    match Wrap(input) {
-        Wrap(CFN2) => count += 1,
-        Wrap(_) => {}
-    };
-
-    // Check that fn() -> T is structural-match when T is too.
-    const CFN3: Wrap<fn() -> SM> = Wrap(to_sm);
-    let input: Wrap<fn() -> SM> = Wrap(to_sm);
-    match Wrap(input) {
-        Wrap(CFN3) => count += 1,
-        Wrap(_) => {}
-    };
-
-    // Check that fn(T) is structural-match even if T is not.
-    const CFN4: Wrap<fn(NotSM)> = Wrap(not_sm_to);
-    let input: Wrap<fn(NotSM)> = Wrap(not_sm_to);
-    match Wrap(input) {
-        Wrap(CFN4) => count += 1,
-        Wrap(_) => {}
-    };
-
-    // Check that fn() -> T is structural-match even if T is not.
-    const CFN5: Wrap<fn() -> NotSM> = Wrap(to_not_sm);
-    let input: Wrap<fn() -> NotSM> = Wrap(to_not_sm);
-    match Wrap(input) {
-        Wrap(CFN5) => count += 1,
-        Wrap(_) => {}
-    };
-
-    // Check that fn(&T) is structural-match when T is too.
-    const CFN6: Wrap<fn(&SM)> = Wrap(r_sm_to);
-    let input: Wrap<fn(&SM)> = Wrap(r_sm_to);
-    match Wrap(input) {
-        Wrap(CFN6) => count += 1,
-        Wrap(_) => {}
-    };
-
-    // Check that fn() -> &T is structural-match when T is too.
-    const CFN7: Wrap<fn(&()) -> &SM> = Wrap(r_to_r_sm);
-    let input: Wrap<fn(&()) -> &SM> = Wrap(r_to_r_sm);
-    match Wrap(input) {
-        Wrap(CFN7) => count += 1,
-        Wrap(_) => {}
-    };
-
-    // Check that fn(T) is structural-match even if T is not.
-    const CFN8: Wrap<fn(&NotSM)> = Wrap(r_not_sm_to);
-    let input: Wrap<fn(&NotSM)> = Wrap(r_not_sm_to);
-    match Wrap(input) {
-        Wrap(CFN8) => count += 1,
-        Wrap(_) => {}
-    };
-
-    // Check that fn() -> T is structural-match even if T is not.
-    const CFN9: Wrap<fn(&()) -> &NotSM> = Wrap(r_to_r_not_sm);
-    let input: Wrap<fn(&()) -> &NotSM> = Wrap(r_to_r_not_sm);
-    match Wrap(input) {
-        Wrap(CFN9) => count += 1,
-        Wrap(_) => {}
-    };
-
-    // Check that a type which has fn ptrs is structural-match.
-    #[derive(PartialEq, Eq)]
-    struct Foo {
-        alpha: fn(NotSM),
-        beta: fn() -> NotSM,
-        gamma: fn(SM),
-        delta: fn() -> SM,
-    }
-
-    const CFOO: Foo = Foo {
-        alpha: not_sm_to,
-        beta: to_not_sm,
-        gamma: sm_to,
-        delta: to_sm,
-    };
-
-    let input = Foo { alpha: not_sm_to, beta: to_not_sm, gamma: sm_to, delta: to_sm };
-    match input {
-        CFOO => count += 1,
-        Foo { .. } => {}
-    };
-
-    // Final count must be 10 now if all
-    assert_eq!(count, 10);
-}
-- 
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