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[PAC][clang][test] Implement missing tests for some PAuth features #100206

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Jul 24, 2024
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[PAC][clang][test] Implement missing tests for some PAuth features #100206

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3 changes: 3 additions & 0 deletions clang/lib/Driver/ToolChains/Clang.cpp
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Expand Up @@ -1843,6 +1843,9 @@ void Clang::AddAArch64TargetArgs(const ArgList &Args,
Args.addOptInFlag(
CmdArgs, options::OPT_fptrauth_vtable_pointer_type_discrimination,
options::OPT_fno_ptrauth_vtable_pointer_type_discrimination);
Args.addOptInFlag(
CmdArgs, options::OPT_fptrauth_type_info_vtable_pointer_discrimination,
options::OPT_fno_ptrauth_type_info_vtable_pointer_discrimination);
Args.addOptInFlag(CmdArgs, options::OPT_fptrauth_init_fini,
options::OPT_fno_ptrauth_init_fini);
Args.addOptInFlag(
Expand Down
5 changes: 3 additions & 2 deletions clang/test/CodeGen/ptrauth-function-attributes.c
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Expand Up @@ -4,8 +4,9 @@
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -emit-llvm %s -o - | FileCheck %s --check-prefixes=ALL,CALLS
// RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -emit-llvm %s -o - | FileCheck %s --check-prefixes=ALL,CALLS

// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-indirect-gotos -emit-llvm %s -o - | FileCheck %s --check-prefixes=ALL,GOTOS
// RUN: %clang_cc1 -triple arm64e-apple-ios -fptrauth-indirect-gotos -emit-llvm %s -o - | FileCheck %s --check-prefixes=ALL,GOTOS
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-indirect-gotos -emit-llvm %s -o - | FileCheck %s --check-prefixes=ALL,GOTOS
// RUN: %clang_cc1 -triple arm64e-apple-ios -fptrauth-indirect-gotos -emit-llvm %s -o - | FileCheck %s --check-prefixes=ALL,GOTOS
// RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-indirect-gotos -emit-llvm %s -o - | FileCheck %s --check-prefixes=ALL,GOTOS

// ALL: define {{(dso_local )?}}void @test() #0
void test() {
Expand Down
7 changes: 4 additions & 3 deletions clang/test/CodeGen/ubsan-function.cpp
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Expand Up @@ -4,7 +4,8 @@
// RUN: %clang_cc1 -triple aarch64_be-linux-gnu -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all | FileCheck %s --check-prefixes=CHECK,GNU,64
// RUN: %clang_cc1 -triple arm-none-eabi -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all | FileCheck %s --check-prefixes=CHECK,ARM,GNU,32

// RUN: %clang_cc1 -triple arm64e-apple-ios -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all -fptrauth-calls | FileCheck %s --check-prefixes=CHECK,GNU,64,64e
// RUN: %clang_cc1 -triple arm64e-apple-ios -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all -fptrauth-calls | FileCheck %s --check-prefixes=CHECK,GNU,64,AUTH
// RUN: %clang_cc1 -triple aarch64-linux-gnu -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all -fptrauth-calls | FileCheck %s --check-prefixes=CHECK,GNU,64,AUTH

// GNU: define{{.*}} void @_Z3funv() #0 !func_sanitize ![[FUNCSAN:.*]] {
// MSVC: define{{.*}} void @"?fun@@YAXXZ"() #0 !func_sanitize ![[FUNCSAN:.*]] {
Expand All @@ -15,8 +16,8 @@ void fun() {}
// ARM: ptrtoint ptr {{.*}} to i32, !nosanitize !5
// ARM: and i32 {{.*}}, -2, !nosanitize !5
// ARM: inttoptr i32 {{.*}} to ptr, !nosanitize !5
// 64e: %[[STRIPPED:.*]] = ptrtoint ptr {{.*}} to i64, !nosanitize
// 64e: call i64 @llvm.ptrauth.auth(i64 %[[STRIPPED]], i32 0, i64 0), !nosanitize
// AUTH: %[[STRIPPED:.*]] = ptrtoint ptr {{.*}} to i64, !nosanitize
// AUTH: call i64 @llvm.ptrauth.auth(i64 %[[STRIPPED]], i32 0, i64 0), !nosanitize
// CHECK: getelementptr <{ i32, i32 }>, ptr {{.*}}, i32 -1, i32 0, !nosanitize
// CHECK: load i32, ptr {{.*}}, align {{.*}}, !nosanitize
// CHECK: icmp eq i32 {{.*}}, -1056584962, !nosanitize
Expand Down
77 changes: 44 additions & 33 deletions clang/test/CodeGenCXX/ptrauth-global-constant-initializers.cpp
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55 changes: 31 additions & 24 deletions clang/test/CodeGenCXX/ptrauth-member-function-pointer.cpp
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@@ -1,8 +1,14 @@
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -o - %s | FileCheck -check-prefixes=CHECK,NODEBUG %s
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -debug-info-kind=limited -o - %s | FileCheck -check-prefixes=CHECK %s
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -stack-protector 1 -o - %s | FileCheck %s -check-prefix=STACK-PROT
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -stack-protector 2 -o - %s | FileCheck %s -check-prefix=STACK-PROT
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -stack-protector 3 -o - %s | FileCheck %s -check-prefix=STACK-PROT
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -o - %s | FileCheck -check-prefixes=CHECK,NODEBUG,DARWIN %s
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -debug-info-kind=limited -o - %s | FileCheck -check-prefixes=CHECK,DARWIN %s
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -stack-protector 1 -o - %s | FileCheck %s -check-prefix=STACK-PROT
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -stack-protector 2 -o - %s | FileCheck %s -check-prefix=STACK-PROT
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -stack-protector 3 -o - %s | FileCheck %s -check-prefix=STACK-PROT

// RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -o - %s | FileCheck -check-prefixes=CHECK,NODEBUG,ELF %s
// RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -debug-info-kind=limited -o - %s | FileCheck -check-prefixes=CHECK,ELF %s
// RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -stack-protector 1 -o - %s | FileCheck %s -check-prefix=STACK-PROT
// RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -stack-protector 2 -o - %s | FileCheck %s -check-prefix=STACK-PROT
// RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -emit-llvm -std=c++11 -O1 -disable-llvm-passes -stack-protector 3 -o - %s | FileCheck %s -check-prefix=STACK-PROT


// CHECK: @gmethod0 = global { i64, i64 } { i64 ptrtoint (ptr ptrauth (ptr @_ZN5Base011nonvirtual0Ev, i32 0, i64 [[TYPEDISC1:35591]]) to i64), i64 0 }, align 8
Expand Down Expand Up @@ -78,9 +84,9 @@ struct Class0 {
MethodTy1 m0;
};

// CHECK: define void @_ZN5Base08virtual1Ev(
// CHECK: define{{.*}} void @_ZN5Base08virtual1Ev(

// CHECK: define void @_Z5test0v()
// CHECK: define{{.*}} void @_Z5test0v()
// CHECK: %[[METHOD0:.*]] = alloca { i64, i64 }, align 8
// CHECK-NEXT: %[[VARMETHOD1:.*]] = alloca { i64, i64 }, align 8
// CHECK-NEXT: %[[METHOD2:.*]] = alloca { i64, i64 }, align 8
Expand Down Expand Up @@ -246,7 +252,7 @@ void test0() {
method7 = &Derived1::virtual1;
}

// CHECK: define void @_Z5test1P5Base0MS_FvvE(ptr noundef %[[A0:.*]], [2 x i64] %[[A1_COERCE:.*]])
// CHECK: define{{.*}} void @_Z5test1P5Base0MS_FvvE(ptr noundef %[[A0:.*]], [2 x i64] %[[A1_COERCE:.*]])
// CHECK: %[[A1:.*]] = alloca { i64, i64 }, align 8
// CHECK: %[[A0_ADDR:.*]] = alloca ptr, align 8
// CHECK: %[[A1_ADDR:.*]] = alloca { i64, i64 }, align 8
Expand All @@ -264,15 +270,16 @@ void test0() {
// CHECK: %[[MEMPTR_ISVIRTUAL:.*]] = icmp ne i64 %[[V5]], 0
// CHECK: br i1 %[[MEMPTR_ISVIRTUAL]]

// CHECK: %[[VTABLE:.*]] = load ptr, ptr %[[V4]], align 8
// CHECK: %[[V7:.*]] = ptrtoint ptr %[[VTABLE]] to i64
// CHECK: %[[V8:.*]] = call i64 @llvm.ptrauth.auth(i64 %[[V7]], i32 2, i64 0)
// CHECK: %[[V9:.*]] = inttoptr i64 %[[V8]] to ptr
// CHECK: %[[V10:.*]] = trunc i64 %[[MEMPTR_PTR]] to i32
// CHECK: %[[V11:.*]] = zext i32 %[[V10]] to i64
// CHECK: %[[V12:.*]] = getelementptr i8, ptr %[[V9]], i64 %[[V11]]
// CHECK: %[[MEMPTR_VIRTUALFN:.*]] = load ptr, ptr %[[V12]], align 8
// CHECK: br
// CHECK: %[[VTABLE:.*]] = load ptr, ptr %[[V4]], align 8
// CHECK: %[[V7:.*]] = ptrtoint ptr %[[VTABLE]] to i64
// CHECK: %[[V8:.*]] = call i64 @llvm.ptrauth.auth(i64 %[[V7]], i32 2, i64 0)
// CHECK: %[[V9:.*]] = inttoptr i64 %[[V8]] to ptr
// DARWIN: %[[V10:.*]] = trunc i64 %[[MEMPTR_PTR]] to i32
// DARWIN: %[[V11:.*]] = zext i32 %[[V10]] to i64
// DARWIN: %[[V12:.*]] = getelementptr i8, ptr %[[V9]], i64 %[[V11]]
// ELF: %[[V12:.*]] = getelementptr i8, ptr %[[V9]], i64 %[[MEMPTR_PTR]]
// CHECK: %[[MEMPTR_VIRTUALFN:.*]] = load ptr, ptr %[[V12]], align 8
// CHECK: br

// CHECK: %[[MEMPTR_NONVIRTUALFN:.*]] = inttoptr i64 %[[MEMPTR_PTR]] to ptr
// CHECK: br
Expand All @@ -286,7 +293,7 @@ void test1(Base0 *a0, MethodTy0 a1) {
(a0->*a1)();
}

// CHECK: define void @_Z15testConversion0M5Base0FvvEM8Derived0FvvE([2 x i64] %[[METHOD0_COERCE:.*]], [2 x i64] %[[METHOD1_COERCE:.*]])
// CHECK: define{{.*}} void @_Z15testConversion0M5Base0FvvEM8Derived0FvvE([2 x i64] %[[METHOD0_COERCE:.*]], [2 x i64] %[[METHOD1_COERCE:.*]])
// CHECK: %[[METHOD0:.*]] = alloca { i64, i64 }, align 8
// CHECK: %[[METHOD1:.*]] = alloca { i64, i64 }, align 8
// CHECK: %[[METHOD0_ADDR:.*]] = alloca { i64, i64 }, align 8
Expand Down Expand Up @@ -326,21 +333,21 @@ void testConversion0(MethodTy0 method0, MethodTy1 method1) {
method1 = method0;
}

// CHECK: define void @_Z15testConversion1M5Base0FvvE(
// CHECK: define{{.*}} void @_Z15testConversion1M5Base0FvvE(
// CHECK: call i64 @llvm.ptrauth.resign(i64 %{{.*}}, i32 0, i64 [[TYPEDISC0]], i32 0, i64 [[TYPEDISC1]])

void testConversion1(MethodTy0 method0) {
MethodTy1 method1 = reinterpret_cast<MethodTy1>(method0);
}

// CHECK: define void @_Z15testConversion2M8Derived0FvvE(
// CHECK: define{{.*}} void @_Z15testConversion2M8Derived0FvvE(
// CHECK: call i64 @llvm.ptrauth.resign(i64 %{{.*}}, i32 0, i64 [[TYPEDISC1]], i32 0, i64 [[TYPEDISC0]])

void testConversion2(MethodTy1 method1) {
MethodTy0 method0 = static_cast<MethodTy0>(method1);
}

// CHECK: define void @_Z15testConversion3M8Derived0FvvE(
// CHECK: define{{.*}} void @_Z15testConversion3M8Derived0FvvE(
// CHECK: call i64 @llvm.ptrauth.resign(i64 %{{.*}}, i32 0, i64 [[TYPEDISC1]], i32 0, i64 [[TYPEDISC0]])

void testConversion3(MethodTy1 method1) {
Expand All @@ -350,7 +357,7 @@ void testConversion3(MethodTy1 method1) {
// No need to call @llvm.ptrauth.resign if the source member function
// pointer is a constant.

// CHECK: define void @_Z15testConversion4v(
// CHECK: define{{.*}} void @_Z15testConversion4v(
// CHECK: %[[METHOD0:.*]] = alloca { i64, i64 }, align 8
// CHECK: store { i64, i64 } { i64 ptrtoint (ptr ptrauth (ptr @_ZN5Base08virtual1Ev_vfpthunk_, i32 0, i64 [[TYPEDISC0]]) to i64), i64 0 }, ptr %[[METHOD0]], align 8
// CHECK: ret void
Expand Down Expand Up @@ -396,7 +403,7 @@ MethodTy1 gmethod0 = reinterpret_cast<MethodTy1>(&Base0::nonvirtual0);
MethodTy0 gmethod1 = reinterpret_cast<MethodTy0>(&Derived0::nonvirtual5);
MethodTy0 gmethod2 = reinterpret_cast<MethodTy0>(&Derived0::virtual1);

// CHECK-LABEL: define void @_Z13testArrayInitv()
// CHECK-LABEL: define{{.*}} void @_Z13testArrayInitv()
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %p0, ptr align 8 @__const._Z13testArrayInitv.p0, i64 16, i1 false)
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %p1, ptr align 8 @__const._Z13testArrayInitv.p1, i64 16, i1 false)
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %c0, ptr align 8 @__const._Z13testArrayInitv.c0, i64 16, i1 false)
Expand Down Expand Up @@ -424,7 +431,7 @@ void testArrayInit() {
// STACK-PROT-NOT: sspreq
// STACK-PROT-NEXT: attributes

// CHECK: define void @_Z15testConvertNullv(
// CHECK: define{{.*}} void @_Z15testConvertNullv(
// CHECK: %[[T:.*]] = alloca { i64, i64 },
// store { i64, i64 } zeroinitializer, { i64, i64 }* %[[T]],

Expand Down
17 changes: 15 additions & 2 deletions clang/test/CodeGenCXX/ptrauth-type-info-vtable.cpp
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Expand Up @@ -4,13 +4,26 @@
// RUN: -fptrauth-vtable-pointer-address-discrimination \
// RUN: %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,NODISC

// RUN: %clang_cc1 -DENABLE_TID=0 -I%S -std=c++11 -triple=aarch64-linux-gnu \
// RUN: -fptrauth-calls -fptrauth-intrinsics \
// RUN: -fptrauth-vtable-pointer-type-discrimination \
// RUN: -fptrauth-vtable-pointer-address-discrimination \
// RUN: %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,NODISC

// RUN: %clang_cc1 -DENABLE_TID=1 -I%S -std=c++11 -triple=arm64e-apple-darwin \
// RUN: -fptrauth-calls -fptrauth-intrinsics \
// RUN: -fptrauth-vtable-pointer-type-discrimination \
// RUN: -fptrauth-vtable-pointer-address-discrimination \
// RUN: -fptrauth-type-info-vtable-pointer-discrimination \
// RUN: %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,DISC

// RUN: %clang_cc1 -DENABLE_TID=1 -I%S -std=c++11 -triple=aarch64-linux-gnu \
// RUN: -fptrauth-calls -fptrauth-intrinsics \
// RUN: -fptrauth-vtable-pointer-type-discrimination \
// RUN: -fptrauth-vtable-pointer-address-discrimination \
// RUN: -fptrauth-type-info-vtable-pointer-discrimination \
// RUN: %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,DISC

// copied from typeinfo
namespace std {

Expand Down Expand Up @@ -64,15 +77,15 @@ TestStruct::~TestStruct(){}
extern "C" void test_vtable(std::type_info* t) {
t->test_method();
}
// NODISC: define void @test_vtable(ptr noundef %t)
// NODISC: define{{.*}} void @test_vtable(ptr noundef %t)
// NODISC: [[T_ADDR:%.*]] = alloca ptr, align 8
// NODISC: store ptr %t, ptr [[T_ADDR]], align 8
// NODISC: [[T:%.*]] = load ptr, ptr [[T_ADDR]], align 8
// NODISC: [[VPTR:%.*]] = load ptr, ptr [[T]], align 8
// NODISC: [[CAST_VPTR:%.*]] = ptrtoint ptr [[VPTR]] to i64
// NODISC: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[CAST_VPTR]], i32 2, i64 0)

// DISC: define void @test_vtable(ptr noundef %t)
// DISC: define{{.*}} void @test_vtable(ptr noundef %t)
// DISC: [[T_ADDR:%.*]] = alloca ptr, align 8
// DISC: store ptr %t, ptr [[T_ADDR]], align 8
// DISC: [[T:%.*]] = load ptr, ptr [[T_ADDR]], align 8
Expand Down
9 changes: 7 additions & 2 deletions clang/test/Driver/aarch64-ptrauth.c
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Expand Up @@ -11,9 +11,11 @@
// RUN: -fno-ptrauth-auth-traps -fptrauth-auth-traps \
// RUN: -fno-ptrauth-vtable-pointer-address-discrimination -fptrauth-vtable-pointer-address-discrimination \
// RUN: -fno-ptrauth-vtable-pointer-type-discrimination -fptrauth-vtable-pointer-type-discrimination \
// RUN: -fno-ptrauth-type-info-vtable-pointer-discrimination -fptrauth-type-info-vtable-pointer-discrimination \
// RUN: -fno-ptrauth-init-fini -fptrauth-init-fini \
// RUN: -fno-ptrauth-indirect-gotos -fptrauth-indirect-gotos \
// RUN: %s 2>&1 | FileCheck %s --check-prefix=ALL
// ALL: "-cc1"{{.*}} "-fptrauth-intrinsics" "-fptrauth-calls" "-fptrauth-returns" "-fptrauth-auth-traps" "-fptrauth-vtable-pointer-address-discrimination" "-fptrauth-vtable-pointer-type-discrimination" "-fptrauth-init-fini"
// ALL: "-cc1"{{.*}} "-fptrauth-intrinsics" "-fptrauth-calls" "-fptrauth-returns" "-fptrauth-auth-traps" "-fptrauth-vtable-pointer-address-discrimination" "-fptrauth-vtable-pointer-type-discrimination" "-fptrauth-type-info-vtable-pointer-discrimination" "-fptrauth-init-fini" "-fptrauth-indirect-gotos"

// RUN: %clang -### -c --target=aarch64-linux -mabi=pauthtest %s 2>&1 | FileCheck %s --check-prefix=PAUTHABI1
// RUN: %clang -### -c --target=aarch64-linux-pauthtest %s 2>&1 | FileCheck %s --check-prefix=PAUTHABI1
Expand All @@ -34,13 +36,16 @@

// RUN: not %clang -### -c --target=x86_64 -fptrauth-intrinsics -fptrauth-calls -fptrauth-returns -fptrauth-auth-traps \
// RUN: -fptrauth-vtable-pointer-address-discrimination -fptrauth-vtable-pointer-type-discrimination \
// RUN: -fptrauth-init-fini %s 2>&1 | FileCheck %s --check-prefix=ERR1
// RUN: -fptrauth-type-info-vtable-pointer-discrimination -fptrauth-indirect-gotos -fptrauth-init-fini %s 2>&1 | \
// RUN: FileCheck %s --check-prefix=ERR1
// ERR1: error: unsupported option '-fptrauth-intrinsics' for target '{{.*}}'
// ERR1-NEXT: error: unsupported option '-fptrauth-calls' for target '{{.*}}'
// ERR1-NEXT: error: unsupported option '-fptrauth-returns' for target '{{.*}}'
// ERR1-NEXT: error: unsupported option '-fptrauth-auth-traps' for target '{{.*}}'
// ERR1-NEXT: error: unsupported option '-fptrauth-vtable-pointer-address-discrimination' for target '{{.*}}'
// ERR1-NEXT: error: unsupported option '-fptrauth-vtable-pointer-type-discrimination' for target '{{.*}}'
// ERR1-NEXT: error: unsupported option '-fptrauth-type-info-vtable-pointer-discrimination' for target '{{.*}}'
// ERR1-NEXT: error: unsupported option '-fptrauth-indirect-gotos' for target '{{.*}}'
// ERR1-NEXT: error: unsupported option '-fptrauth-init-fini' for target '{{.*}}'

//// Only support PAuth ABI for Linux as for now.
Expand Down
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