diff --git a/src/test/codegen/unwind-abis/c-unwind-abi-panic-abort.rs b/src/test/codegen/unwind-abis/c-unwind-abi-panic-abort.rs
index 8447bbeb1ed..34fd401f9e4 100644
--- a/src/test/codegen/unwind-abis/c-unwind-abi-panic-abort.rs
+++ b/src/test/codegen/unwind-abis/c-unwind-abi-panic-abort.rs
@@ -9,7 +9,8 @@
 // CHECK: @rust_item_that_can_unwind() unnamed_addr [[ATTR0:#[0-9]+]]
 #[no_mangle]
 pub unsafe extern "C-unwind" fn rust_item_that_can_unwind() {
-    // CHECK: call void @_ZN4core9panicking15panic_no_unwind
+    // Handle both legacy and v0 symbol mangling.
+    // CHECK: call void @{{.*core9panicking15panic_no_unwind}}
     may_unwind();
 }
 
diff --git a/src/test/codegen/unwind-and-panic-abort.rs b/src/test/codegen/unwind-and-panic-abort.rs
index f238741e599..b370191bf8c 100644
--- a/src/test/codegen/unwind-and-panic-abort.rs
+++ b/src/test/codegen/unwind-and-panic-abort.rs
@@ -9,7 +9,8 @@ extern "C-unwind" {
 
 // CHECK: Function Attrs:{{.*}}nounwind
 // CHECK-NEXT: define{{.*}}void @foo
-// CHECK: call void @_ZN4core9panicking15panic_no_unwind
+// Handle both legacy and v0 symbol mangling.
+// CHECK: call void @{{.*core9panicking15panic_no_unwind}}
 #[no_mangle]
 pub unsafe extern "C" fn foo() {
     bar();