4 files changed, 43 insertions, 10 deletions
diff --git a/tests/codegen/enum-debug-niche-2.rs b/tests/codegen/enum-debug-niche-2.rs
index 9c72ad9d248..4b607d50574 100644
--- a/tests/codegen/enum-debug-niche-2.rs
+++ b/tests/codegen/enum-debug-niche-2.rs
@@ -7,8 +7,8 @@
 // compile-flags: -g -C no-prepopulate-passes
 
 // CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_variant_part,{{.*}}size: 32,{{.*}}
-// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "Placeholder",{{.*}}extraData: i64 4294967295{{[,)].*}}
-// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "Error",{{.*}}extraData: i64 0{{[,)].*}}
+// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "Placeholder",{{.*}}extraData: i128 4294967295{{[,)].*}}
+// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "Error",{{.*}}extraData: i128 0{{[,)].*}}
 
 #![feature(never_type)]
 
diff --git a/tests/codegen/enum-u128.rs b/tests/codegen/enum-u128.rs
new file mode 100644
index 00000000000..f50d360ac9f
--- /dev/null
+++ b/tests/codegen/enum-u128.rs
@@ -0,0 +1,27 @@
+// This tests that debug info for "c-like" 128bit enums is properly emitted.
+// This is ignored for the fallback mode on MSVC due to problems with PDB.
+
+//
+// ignore-msvc
+
+// compile-flags: -g -C no-prepopulate-passes
+
+// CHECK-LABEL: @main
+// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_enumeration_type,{{.*}}name: "Foo",{{.*}}flags: DIFlagEnumClass,{{.*}}
+// CHECK: {{.*}}DIEnumerator{{.*}}name: "Lo",{{.*}}value: 0,{{.*}}
+// CHECK: {{.*}}DIEnumerator{{.*}}name: "Hi",{{.*}}value: 18446744073709551616,{{.*}}
+// CHECK: {{.*}}DIEnumerator{{.*}}name: "Bar",{{.*}}value: 18446745000000000123,{{.*}}
+
+#![allow(incomplete_features)]
+#![feature(repr128)]
+
+#[repr(u128)]
+pub enum Foo {
+    Lo,
+    Hi = 1 << 64,
+    Bar = 18_446_745_000_000_000_123,
+}
+
+pub fn main() {
+    let foo = Foo::Bar;
+}
diff --git a/tests/codegen/slice-iter-fold.rs b/tests/codegen/slice-iter-fold.rs
new file mode 100644
index 00000000000..9391c176130
--- /dev/null
+++ b/tests/codegen/slice-iter-fold.rs
@@ -0,0 +1,14 @@
+// ignore-debug: the debug assertions get in the way
+// compile-flags: -O
+// min-llvm-version: 16
+#![crate_type = "lib"]
+
+// CHECK-LABEL: @slice_fold_to_last
+#[no_mangle]
+pub fn slice_fold_to_last(slice: &[i32]) -> Option<&i32> {
+    // CHECK-NOT: loop
+    // CHECK-NOT: br
+    // CHECK-NOT: call
+    // CHECK: ret
+    slice.iter().fold(None, |_, i| Some(i))
+}
diff --git a/tests/codegen/vec-shrink-panik.rs b/tests/codegen/vec-shrink-panik.rs
index 606d68ff3ab..14fef4e2cd5 100644
--- a/tests/codegen/vec-shrink-panik.rs
+++ b/tests/codegen/vec-shrink-panik.rs
@@ -38,14 +38,6 @@ pub fn issue71861(vec: Vec<u32>) -> Box<[u32]> {
 #[no_mangle]
 pub fn issue75636<'a>(iter: &[&'a str]) -> Box<[&'a str]> {
     // CHECK-NOT: panic
-
-    // Call to panic_cannot_unwind in case of double-panic is expected,
-    // on LLVM 16 and older, but other panics are not.
-    // old: filter
-    // old-NEXT: ; call core::panicking::panic_cannot_unwind
-    // old-NEXT: panic_cannot_unwind
-
-    // CHECK-NOT: panic
     iter.iter().copied().collect()
 }