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llvm/clang/test/Driver/fsanitize-metadata.c 

// RUN: %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=all -fno-experimental-sanitize-metadata=all %s -### 2>&1 | FileCheck %s
// CHECK-NOT: -fexperimental-sanitize-metadata

// RUN: not %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=bad_arg %s -### 2>&1 | FileCheck -check-prefix=CHECK-INVALID %s
// CHECK-INVALID: error: unsupported argument 'bad_arg' to option '-fexperimental-sanitize-metadata='

// RUN: %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=covered %s -### 2>&1 | FileCheck -check-prefix=CHECK-COVERED %s
// RUN: %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=atomics -fno-experimental-sanitize-metadata=atomics -fexperimental-sanitize-metadata=covered %s -### 2>&1 | FileCheck -check-prefix=CHECK-COVERED %s
// RUN: %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=all -fno-experimental-sanitize-metadata=atomics %s -### 2>&1 | FileCheck -check-prefix=CHECK-COVERED %s
// CHECK-COVERED: "-fexperimental-sanitize-metadata=covered"
// CHECK-COVERED-NOT: "-fexperimental-sanitize-metadata=atomics"

// RUN: %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=atomics %s -### 2>&1 | FileCheck -check-prefix=CHECK-ATOMICS %s
// RUN: %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=covered -fno-experimental-sanitize-metadata=covered -fexperimental-sanitize-metadata=atomics %s -### 2>&1 | FileCheck -check-prefix=CHECK-ATOMICS %s
// RUN: %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=all -fno-experimental-sanitize-metadata=covered %s -### 2>&1 | FileCheck -check-prefix=CHECK-ATOMICS %s
// CHECK-ATOMICS: "-fexperimental-sanitize-metadata=atomics"
// CHECK-ATOMICS-NOT: "-fexperimental-sanitize-metadata=covered"

// RUN: %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=covered,atomics %s -### 2>&1 | FileCheck -check-prefix=CHECK-ALL %s
// RUN: %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=covered -fexperimental-sanitize-metadata=atomics %s -### 2>&1 | FileCheck -check-prefix=CHECK-ALL %s
// RUN: %clang --target=x86_64-linux-gnu -fexperimental-sanitize-metadata=all %s -### 2>&1 | FileCheck -check-prefix=CHECK-ALL %s
// CHECK-ALL: "-fexperimental-sanitize-metadata=covered"
// CHECK-ALL: "-fexperimental-sanitize-metadata=atomics"