Add some ICEs (#678)

Author: fanninpm

ices/79847.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+rustc -Cincremental=foo - <<'EOF'
+#[derive(PartialEq, Eq)]
+pub struct StaticString {
+    string: &'static str,
+}
+
+const DUMMY1: StaticString = StaticString {
+    string: "DUMMY",
+    };
+const DUMMY2: StaticString = StaticString {
+    string: "DUMMY",
+    };
+
+fn main() {
+    let bar = DUMMY1;
+    let name = match bar {
+            DUMMY1 => "1",
+            DUMMY2 => "2",
+            _ => "Foo",
+    };
+}
+EOF

ices/82518.rs

@@ -0,0 +1,9 @@
+#![crate_type = "lib"]
+#![feature(inline_const)]
+
+fn foo<const V: usize>() {
+  match 0 {
+    const { V } => {},
+    _ => {},
+  }
+}

ices/82610.rs

@@ -0,0 +1,3 @@
+fn f<const N:usize>() {
+    mut N
+}

ices/82772.rs

@@ -0,0 +1,3 @@
+fn main() {
+    let Box { 1: _, .. }: Box<()>;
+}

ices/82792.rs

@@ -0,0 +1,8 @@
+#![crate_type = "lib"]
+#![feature(const_generics_defaults)]
+
+#[repr(C)]
+pub struct Loaf<T: Sized, const N: usize = 1usize> {
+    head: [T; N],
+    slice: [T],
+}