| // RUN: %clang -target aarch64-none-linux-gnu -### %s -fsyntax-only 2>&1 | FileCheck %s | |
| // RUN: %clang -target arm64-none-linux-gnu -### %s -fsyntax-only 2>&1 | FileCheck %s | |
| // The AArch64 PCS states that chars should be unsigned. | |
| // CHECK: fno-signed-char | |