r204330 - Kill -faddress-sanitizer, -fthread-sanitizer and -fcatch-undefined-behavior flags.

Rafael Avila de Espindola rafael.espindola at gmail.com
Thu Mar 20 08:59:40 PDT 2014


This should probably go to the release notes.

Sent from my iPhone

> On Mar 20, 2014, at 3:48, Alexey Samsonov <samsonov at google.com> wrote:
> 
> Author: samsonov
> Date: Thu Mar 20 05:48:29 2014
> New Revision: 204330
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=204330&view=rev
> Log:
> Kill -faddress-sanitizer, -fthread-sanitizer and -fcatch-undefined-behavior flags.
> 
> These flags are deprecated since at least Clang 3.3. Users should instead
> use -fsanitize= with appropriate values.
> 
> Modified:
>    cfe/trunk/docs/UsersManual.rst
>    cfe/trunk/include/clang/Basic/Sanitizers.def
>    cfe/trunk/include/clang/Driver/Options.td
>    cfe/trunk/include/clang/Driver/SanitizerArgs.h
>    cfe/trunk/lib/CodeGen/CodeGenFunction.cpp
>    cfe/trunk/lib/Driver/SanitizerArgs.cpp
>    cfe/trunk/lib/Driver/Tools.cpp
>    cfe/trunk/test/CodeGen/tbaa-for-vptr.cpp
>    cfe/trunk/test/CodeGenCXX/bitfield.cpp
>    cfe/trunk/test/Driver/asan.c
>    cfe/trunk/test/Driver/darwin-asan-nofortify.c
>    cfe/trunk/test/Driver/fsanitize.c
> 
> Modified: cfe/trunk/docs/UsersManual.rst
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/UsersManual.rst?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/docs/UsersManual.rst (original)
> +++ cfe/trunk/docs/UsersManual.rst Thu Mar 20 05:48:29 2014
> @@ -999,18 +999,6 @@ are listed below.
>    program. The ``-fsanitize=undefined`` checks can be combined with other
>    sanitizers.
> 
> -**-f[no-]address-sanitizer**
> -   Deprecated synonym for :ref:`-f[no-]sanitize=address
> -   <opt_fsanitize_address>`.
> -**-f[no-]thread-sanitizer**
> -   Deprecated synonym for :ref:`-f[no-]sanitize=thread
> -   <opt_fsanitize_thread>`.
> -
> -.. option:: -fcatch-undefined-behavior
> -
> -   Deprecated synonym for :ref:`-fsanitize=undefined
> -   <opt_fsanitize_undefined>`.
> -
> .. option:: -fno-assume-sane-operator-new
> 
>    Don't assume that the C++'s new operator is sane.
> 
> Modified: cfe/trunk/include/clang/Basic/Sanitizers.def
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Sanitizers.def?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/Sanitizers.def (original)
> +++ cfe/trunk/include/clang/Basic/Sanitizers.def Thu Mar 20 05:48:29 2014
> @@ -89,7 +89,7 @@ SANITIZER_GROUP("undefined", Undefined,
>                 ObjectSize | Return | Shift | SignedIntegerOverflow |
>                 Unreachable | VLABound | Vptr)
> 
> -// -fsanitize=undefined-trap (and its alias -fcatch-undefined-behavior) includes
> +// -fsanitize=undefined-trap includes
> // all sanitizers included by -fsanitize=undefined, except those that require
> // runtime support.  This group is generally used in conjunction with the
> // -fsanitize-undefined-trap-on-error flag.
> 
> Modified: cfe/trunk/include/clang/Driver/Options.td
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Driver/Options.td (original)
> +++ cfe/trunk/include/clang/Driver/Options.td Thu Mar 20 05:48:29 2014
> @@ -357,10 +357,6 @@ def fapple_kext : Flag<["-"], "fapple-ke
>   HelpText<"Use Apple's kernel extensions ABI">;
> def fapple_pragma_pack : Flag<["-"], "fapple-pragma-pack">, Group<f_Group>, Flags<[CC1Option]>,
>   HelpText<"Enable Apple gcc-compatible #pragma pack handling">;
> -def faddress_sanitizer : Flag<["-"], "faddress-sanitizer">, Group<f_Group>;
> -def fno_address_sanitizer : Flag<["-"], "fno-address-sanitizer">, Group<f_Group>;
> -def fthread_sanitizer : Flag<["-"], "fthread-sanitizer">, Group<f_Group>;
> -def fno_thread_sanitizer : Flag<["-"], "fno-thread-sanitizer">, Group<f_Group>;
> def fasm : Flag<["-"], "fasm">, Group<f_Group>;
> 
> def fasm_blocks : Flag<["-"], "fasm-blocks">, Group<f_Group>, Flags<[CC1Option]>;
> @@ -401,7 +397,6 @@ def fbounds_checking_EQ : Joined<["-"],
>   Group<f_Group>;
> def fbuiltin : Flag<["-"], "fbuiltin">, Group<f_Group>;
> def fcaret_diagnostics : Flag<["-"], "fcaret-diagnostics">, Group<f_Group>;
> -def fcatch_undefined_behavior : Flag<["-"], "fcatch-undefined-behavior">, Group<f_Group>;
> def fclasspath_EQ : Joined<["-"], "fclasspath=">, Group<f_Group>;
> def fcolor_diagnostics : Flag<["-"], "fcolor-diagnostics">, Group<f_Group>, Flags<[CC1Option]>,
>   HelpText<"Use colors in diagnostics">;
> 
> Modified: cfe/trunk/include/clang/Driver/SanitizerArgs.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/SanitizerArgs.h?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Driver/SanitizerArgs.h (original)
> +++ cfe/trunk/include/clang/Driver/SanitizerArgs.h Thu Mar 20 05:48:29 2014
> @@ -100,7 +100,7 @@ class SanitizerArgs {
> 
>   /// Produce an argument string from ArgList \p Args, which shows how it
>   /// provides a sanitizer kind in \p Mask. For example, the argument list
> -  /// "-fsanitize=thread,vptr -faddress-sanitizer" with mask \c NeedsUbsanRt
> +  /// "-fsanitize=thread,vptr -fsanitize=address" with mask \c NeedsUbsanRt
>   /// would produce "-fsanitize=vptr".
>   static std::string lastArgumentForKind(const Driver &D,
>                                          const llvm::opt::ArgList &Args,
> 
> Modified: cfe/trunk/lib/CodeGen/CodeGenFunction.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.cpp?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CodeGenFunction.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CodeGenFunction.cpp Thu Mar 20 05:48:29 2014
> @@ -1365,7 +1365,7 @@ CodeGenFunction::getVLASize(const Variab
>       numElements = vlaSize;
>     } else {
>       // It's undefined behavior if this wraps around, so mark it that way.
> -      // FIXME: Teach -fcatch-undefined-behavior to trap this.
> +      // FIXME: Teach -fsanitize=undefined to trap this.
>       numElements = Builder.CreateNUWMul(numElements, vlaSize);
>     }
>   } while ((type = getContext().getAsVariableArrayType(elementType)));
> 
> Modified: cfe/trunk/lib/Driver/SanitizerArgs.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/SanitizerArgs.cpp?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Driver/SanitizerArgs.cpp (original)
> +++ cfe/trunk/lib/Driver/SanitizerArgs.cpp Thu Mar 20 05:48:29 2014
> @@ -71,30 +71,14 @@ SanitizerArgs::SanitizerArgs(const ToolC
>   }
> 
>   UbsanTrapOnError =
> -    Args.hasArg(options::OPT_fcatch_undefined_behavior) ||
>     Args.hasFlag(options::OPT_fsanitize_undefined_trap_on_error,
>                  options::OPT_fno_sanitize_undefined_trap_on_error, false);
> 
> -  if (Args.hasArg(options::OPT_fcatch_undefined_behavior) &&
> -      !Args.hasFlag(options::OPT_fsanitize_undefined_trap_on_error,
> -                    options::OPT_fno_sanitize_undefined_trap_on_error, true)) {
> -    D.Diag(diag::err_drv_argument_not_allowed_with)
> -      << "-fcatch-undefined-behavior"
> -      << "-fno-sanitize-undefined-trap-on-error";
> -  }
> -
>   // Warn about undefined sanitizer options that require runtime support.
>   if (UbsanTrapOnError && notAllowedWithTrap()) {
> -    if (Args.hasArg(options::OPT_fcatch_undefined_behavior))
> -      D.Diag(diag::err_drv_argument_not_allowed_with)
> -        << lastArgumentForKind(D, Args, NotAllowedWithTrap)
> -        << "-fcatch-undefined-behavior";
> -    else if (Args.hasFlag(options::OPT_fsanitize_undefined_trap_on_error,
> -                          options::OPT_fno_sanitize_undefined_trap_on_error,
> -                          false))
> -      D.Diag(diag::err_drv_argument_not_allowed_with)
> -        << lastArgumentForKind(D, Args, NotAllowedWithTrap)
> -        << "-fsanitize-undefined-trap-on-error";
> +    D.Diag(diag::err_drv_argument_not_allowed_with)
> +      << lastArgumentForKind(D, Args, NotAllowedWithTrap)
> +      << "-fsanitize-undefined-trap-on-error";
>   }
> 
>   // Only one runtime library can be used at once.
> @@ -279,24 +263,8 @@ bool SanitizerArgs::parse(const Driver &
>   Add = 0;
>   Remove = 0;
>   const char *DeprecatedReplacement = 0;
> -  if (A->getOption().matches(options::OPT_faddress_sanitizer)) {
> -    Add = Address;
> -    DeprecatedReplacement = "-fsanitize=address";
> -  } else if (A->getOption().matches(options::OPT_fno_address_sanitizer)) {
> -    Remove = Address;
> -    DeprecatedReplacement = "-fno-sanitize=address";
> -  } else if (A->getOption().matches(options::OPT_fthread_sanitizer)) {
> -    Add = Thread;
> -    DeprecatedReplacement = "-fsanitize=thread";
> -  } else if (A->getOption().matches(options::OPT_fno_thread_sanitizer)) {
> -    Remove = Thread;
> -    DeprecatedReplacement = "-fno-sanitize=thread";
> -  } else if (A->getOption().matches(options::OPT_fcatch_undefined_behavior)) {
> -    Add = UndefinedTrap;
> -    DeprecatedReplacement =
> -      "-fsanitize=undefined-trap -fsanitize-undefined-trap-on-error";
> -  } else if (A->getOption().matches(options::OPT_fbounds_checking) ||
> -             A->getOption().matches(options::OPT_fbounds_checking_EQ)) {
> +  if (A->getOption().matches(options::OPT_fbounds_checking) ||
> +      A->getOption().matches(options::OPT_fbounds_checking_EQ)) {
>     Add = LocalBounds;
>     DeprecatedReplacement = "-fsanitize=local-bounds";
>   } else if (A->getOption().matches(options::OPT_fsanitize_EQ)) {
> 
> Modified: cfe/trunk/lib/Driver/Tools.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Driver/Tools.cpp (original)
> +++ cfe/trunk/lib/Driver/Tools.cpp Thu Mar 20 05:48:29 2014
> @@ -3137,8 +3137,7 @@ void Clang::ConstructJob(Compilation &C,
>                     true))
>     CmdArgs.push_back("-fno-sanitize-recover");
> 
> -  if (Args.hasArg(options::OPT_fcatch_undefined_behavior) ||
> -      Args.hasFlag(options::OPT_fsanitize_undefined_trap_on_error,
> +  if (Args.hasFlag(options::OPT_fsanitize_undefined_trap_on_error,
>                    options::OPT_fno_sanitize_undefined_trap_on_error, false))
>     CmdArgs.push_back("-fsanitize-undefined-trap-on-error");
> 
> 
> Modified: cfe/trunk/test/CodeGen/tbaa-for-vptr.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/tbaa-for-vptr.cpp?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/test/CodeGen/tbaa-for-vptr.cpp (original)
> +++ cfe/trunk/test/CodeGen/tbaa-for-vptr.cpp Thu Mar 20 05:48:29 2014
> @@ -6,7 +6,7 @@
> // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - -O2  -relaxed-aliasing %s | FileCheck %s --check-prefix=NOTBAA
> //
> // Check that we generate TBAA for vtable pointer loads and stores.
> -// When -fthread-sanitizer is used TBAA should be generated at all opt levels
> +// When -fsanitize=thread is used TBAA should be generated at all opt levels
> // even if -relaxed-aliasing is present.
> struct A {
>   virtual int foo() const ;
> 
> Modified: cfe/trunk/test/CodeGenCXX/bitfield.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/bitfield.cpp?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/test/CodeGenCXX/bitfield.cpp (original)
> +++ cfe/trunk/test/CodeGenCXX/bitfield.cpp Thu Mar 20 05:48:29 2014
> @@ -298,7 +298,7 @@ namespace N4 {
> #endif
>   unsigned read(Base* s) {
>     // FIXME: We should widen this load as long as the function isn't being
> -    // instrumented by thread-sanitizer.
> +    // instrumented by ThreadSanitizer.
>     //
>     // CHECK-X86-64-LABEL: define i32 @_ZN2N44read
>     // CHECK-X86-64:   %[[gep:.*]] = getelementptr inbounds {{.*}}* %{{.*}}, i32 0, i32 1
> @@ -378,8 +378,8 @@ namespace N6 {
>   // Zero-length bitfields partition the memory locations of bitfields for the
>   // purposes of the memory model. That means stores must not span zero-length
>   // bitfields and loads may only span them when we are not instrumenting with
> -  // thread sanitizer.
> -  // FIXME: We currently don't widen loads even without thread sanitizer, even
> +  // ThreadSanitizer.
> +  // FIXME: We currently don't widen loads even without ThreadSanitizer, even
>   // though we could.
>   struct S {
>     unsigned b1 : 24;
> @@ -448,7 +448,7 @@ namespace N7 {
> #endif
>   unsigned read(B2* s) {
>     // FIXME: We should widen this load as long as the function isn't being
> -    // instrumented by thread-sanitizer.
> +    // instrumented by ThreadSanitizer.
>     //
>     // CHECK-X86-64-LABEL: define i32 @_ZN2N74read
>     // CHECK-X86-64:   %[[gep:.*]] = getelementptr inbounds {{.*}}* %{{.*}}, i32 0, i32 1
> 
> Modified: cfe/trunk/test/Driver/asan.c
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/asan.c?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/test/Driver/asan.c (original)
> +++ cfe/trunk/test/Driver/asan.c Thu Mar 20 05:48:29 2014
> @@ -1,9 +1,8 @@
> -// RUN: %clang     -target i386-unknown-unknown -faddress-sanitizer %s -S -emit-llvm -o - | FileCheck %s
> -// RUN: %clang -O1 -target i386-unknown-unknown -faddress-sanitizer %s -S -emit-llvm -o - | FileCheck %s
> -// RUN: %clang -O2 -target i386-unknown-unknown -faddress-sanitizer %s -S -emit-llvm -o - | FileCheck %s
> -// RUN: %clang -O3 -target i386-unknown-unknown -faddress-sanitizer %s -S -emit-llvm -o - | FileCheck %s
> -// RUN: %clang     -target i386-unknown-unknown -fsanitize=address  %s -S -emit-llvm -o - | FileCheck %s
> -// Verify that -faddress-sanitizer invokes asan instrumentation.
> +// RUN: %clang     -target i386-unknown-unknown -fsanitize=address %s -S -emit-llvm -o - | FileCheck %s
> +// RUN: %clang -O1 -target i386-unknown-unknown -fsanitize=address %s -S -emit-llvm -o - | FileCheck %s
> +// RUN: %clang -O2 -target i386-unknown-unknown -fsanitize=address %s -S -emit-llvm -o - | FileCheck %s
> +// RUN: %clang -O3 -target i386-unknown-unknown -fsanitize=address %s -S -emit-llvm -o - | FileCheck %s
> +// Verify that -fsanitize=address invokes asan instrumentation.
> 
> int foo(int *a) { return *a; }
> // CHECK: __asan_init
> 
> Modified: cfe/trunk/test/Driver/darwin-asan-nofortify.c
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/darwin-asan-nofortify.c?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/test/Driver/darwin-asan-nofortify.c (original)
> +++ cfe/trunk/test/Driver/darwin-asan-nofortify.c Thu Mar 20 05:48:29 2014
> @@ -1,6 +1,5 @@
> // Make sure AddressSanitizer disables _FORTIFY_SOURCE on Darwin.
> 
> -// RUN: %clang -faddress-sanitizer %s -E -dM -target x86_64-darwin | FileCheck %s
> // RUN: %clang -fsanitize=address  %s -E -dM -target x86_64-darwin | FileCheck %s
> 
> // CHECK: #define _FORTIFY_SOURCE 0
> 
> Modified: cfe/trunk/test/Driver/fsanitize.c
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/fsanitize.c?rev=204330&r1=204329&r2=204330&view=diff
> ==============================================================================
> --- cfe/trunk/test/Driver/fsanitize.c (original)
> +++ cfe/trunk/test/Driver/fsanitize.c Thu Mar 20 05:48:29 2014
> @@ -1,4 +1,3 @@
> -// RUN: %clang -target x86_64-linux-gnu -fcatch-undefined-behavior %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-UNDEFINED-TRAP
> // RUN: %clang -target x86_64-linux-gnu -fsanitize=undefined-trap -fsanitize-undefined-trap-on-error %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-UNDEFINED-TRAP
> // RUN: %clang -target x86_64-linux-gnu -fsanitize-undefined-trap-on-error -fsanitize=undefined-trap %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-UNDEFINED-TRAP
> // CHECK-UNDEFINED-TRAP: "-fsanitize={{((signed-integer-overflow|integer-divide-by-zero|float-divide-by-zero|shift|unreachable|return|vla-bound|alignment|null|object-size|float-cast-overflow|array-bounds|enum|bool),?){14}"}}
> @@ -13,7 +12,7 @@
> // RUN: %clang -target x86_64-linux-gnu -fsanitize=integer %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-INTEGER
> // CHECK-INTEGER: "-fsanitize={{((signed-integer-overflow|unsigned-integer-overflow|integer-divide-by-zero|shift),?){4}"}}
> 
> -// RUN: %clang -target x86_64-linux-gnu -fsanitize=thread,undefined -fno-thread-sanitizer -fno-sanitize=float-cast-overflow,vptr,bool,enum %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-PARTIAL-UNDEFINED
> +// RUN: %clang -target x86_64-linux-gnu -fsanitize=thread,undefined -fno-sanitize=thread -fno-sanitize=float-cast-overflow,vptr,bool,enum %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-PARTIAL-UNDEFINED
> // CHECK-PARTIAL-UNDEFINED: "-fsanitize={{((signed-integer-overflow|integer-divide-by-zero|float-divide-by-zero|function|shift|unreachable|return|vla-bound|alignment|null|object-size|array-bounds),?){12}"}}
> 
> // RUN: %clang -target x86_64-linux-gnu -fsanitize=address-full %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-ASAN-FULL
> @@ -28,12 +27,6 @@
> // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fno-sanitize=use-after-return %s -### 2>&1 |  FileCheck %s --check-prefix=CHECK-ASAN-NO-IMPLIED-UAR
> // CHECK-ASAN-NO-IMPLIED-UAR-NOT: use-after-return
> 
> -// RUN: %clang -target x86_64-linux-gnu -fcatch-undefined-behavior -fno-sanitize-undefined-trap-on-error %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-UNDEFINED-NO-TRAP-ERROR
> -// CHECK-UNDEFINED-NO-TRAP-ERROR: '-fcatch-undefined-behavior' not allowed with '-fno-sanitize-undefined-trap-on-error'
> -
> -// RUN: %clang -target x86_64-linux-gnu -fsanitize=vptr -fcatch-undefined-behavior %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-VPTR-UNDEF-ERROR
> -// CHECK-VPTR-UNDEF-ERROR: '-fsanitize=vptr' not allowed with '-fcatch-undefined-behavior'
> -
> // RUN: %clang -target x86_64-linux-gnu -fsanitize=undefined -fsanitize-undefined-trap-on-error %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-UNDEFINED-TRAP-ON-ERROR-UNDEF
> // CHECK-UNDEFINED-TRAP-ON-ERROR-UNDEF: '-fsanitize=undefined' not allowed with '-fsanitize-undefined-trap-on-error'
> 
> @@ -62,9 +55,6 @@
> // RUN: %clang -target x86_64-linux-gnu -fsanitize=leak,memory -pie -fno-rtti %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANL-SANM
> // CHECK-SANL-SANM: '-fsanitize=leak' not allowed with '-fsanitize=memory'
> 
> -// RUN: %clang -target x86_64-linux-gnu -faddress-sanitizer -fthread-sanitizer -fno-rtti %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-ASAN-TSAN
> -// CHECK-ASAN-TSAN: '-faddress-sanitizer' not allowed with '-fthread-sanitizer'
> -
> // RUN: %clang -target x86_64-linux-gnu -fsanitize=init-order %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-ONLY-EXTRA-ASAN
> // CHECK-ONLY-EXTRA-ASAN: '-fsanitize=init-order' is ignored in absence of '-fsanitize=address'
> 
> @@ -92,13 +82,8 @@
> // RUN: %clang -target x86_64-linux-gnu -fsanitize=vptr -fno-sanitize=vptr -fsanitize=undefined,address %s -### 2>&1
> // OK
> 
> -// RUN: %clang -target x86_64-linux-gnu -fcatch-undefined-behavior -fthread-sanitizer -fno-thread-sanitizer -faddress-sanitizer -fno-address-sanitizer -fbounds-checking -### %s 2>&1 | FileCheck %s --check-prefix=CHECK-DEPRECATED
> +// RUN: %clang -target x86_64-linux-gnu -fbounds-checking -### %s 2>&1 | FileCheck %s --check-prefix=CHECK-DEPRECATED
> // CHECK-DEPRECATED: argument '-fbounds-checking' is deprecated, use '-fsanitize=local-bounds' instead
> -// CHECK-DEPRECATED: argument '-fno-address-sanitizer' is deprecated, use '-fno-sanitize=address' instead
> -// CHECK-DEPRECATED: argument '-faddress-sanitizer' is deprecated, use '-fsanitize=address' instead
> -// CHECK-DEPRECATED: argument '-fno-thread-sanitizer' is deprecated, use '-fno-sanitize=thread' instead
> -// CHECK-DEPRECATED: argument '-fthread-sanitizer' is deprecated, use '-fsanitize=thread' instead
> -// CHECK-DEPRECATED: argument '-fcatch-undefined-behavior' is deprecated, use '-fsanitize=undefined-trap -fsanitize-undefined-trap-on-error' instead
> 
> // RUN: %clang -target x86_64-linux-gnu -fsanitize=thread %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-TSAN-NO-PIE
> // CHECK-TSAN-NO-PIE: "-mrelocation-model" "pic" "-pic-level" "2" "-pie-level" "2"
> 
> 
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