Merge from rustc

1 files changed, 47 insertions, 0 deletions

diff --git a/tests/codegen/sanitizer-kasan-emits-instrumentation.rs b/tests/codegen/sanitizer-kasan-emits-instrumentation.rs
new file mode 100644
index 00000000000..d6e3f2719df
--- /dev/null
+++ b/tests/codegen/sanitizer-kasan-emits-instrumentation.rs
@@ -0,0 +1,47 @@
+// Verifies that `-Zsanitizer=kernel-address` emits sanitizer instrumentation.
+
+// compile-flags: -Zsanitizer=kernel-address
+// revisions: aarch64 riscv64imac riscv64gc x86_64
+//[aarch64] compile-flags: --target aarch64-unknown-none
+//[aarch64] needs-llvm-components: aarch64
+//[riscv64imac] compile-flags: --target riscv64imac-unknown-none-elf
+//[riscv64imac] needs-llvm-components: riscv
+//[riscv64imac] min-llvm-version: 16
+//[riscv64gc] compile-flags: --target riscv64gc-unknown-none-elf
+//[riscv64gc] needs-llvm-components: riscv
+//[riscv64gc] min-llvm-version: 16
+//[x86_64] compile-flags: --target x86_64-unknown-none
+//[x86_64] needs-llvm-components: x86
+
+#![crate_type = "rlib"]
+#![feature(no_core, no_sanitize, lang_items)]
+#![no_core]
+
+#[lang = "sized"]
+trait Sized {}
+
+#[lang = "copy"]
+trait Copy {}
+
+impl Copy for u8 {}
+
+// CHECK-LABEL: ; sanitizer_kasan_emits_instrumentation::unsanitized
+// CHECK-NEXT:  ; Function Attrs:
+// CHECK-NOT:   sanitize_address
+// CHECK:       start:
+// CHECK-NOT:   call void @__asan_report_load
+// CHECK:       }
+#[no_sanitize(address)]
+pub fn unsanitized(b: &mut u8) -> u8 {
+    *b
+}
+
+// CHECK-LABEL: ; sanitizer_kasan_emits_instrumentation::sanitized
+// CHECK-NEXT:  ; Function Attrs:
+// CHECK:       sanitize_address
+// CHECK:       start:
+// CHECK:       call void @__asan_report_load
+// CHECK:       }
+pub fn sanitized(b: &mut u8) -> u8 {
+    *b
+}