llvm-project/clang/test/OpenMP/declare_variant_messages.cpp

255 lines
25 KiB
C++

// RUN: %clang_cc1 -triple=x86_64-pc-win32 -verify -fopenmp -x c++ -std=c++14 -fms-extensions -Wno-pragma-pack -fexceptions -fcxx-exceptions %s
// RUN: %clang_cc1 -triple=x86_64-pc-win32 -verify -fopenmp-simd -x c++ -std=c++14 -fms-extensions -Wno-pragma-pack -fexceptions -fcxx-exceptions %s
// expected-error@+1 {{expected an OpenMP directive}}
#pragma omp declare
int foo();
template <typename T>
T foofoo(); // expected-note 2 {{declared here}}
#pragma omp declare variant // expected-error {{expected '(' after 'declare variant'}}
#pragma omp declare variant( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp declare variant(foo // expected-error {{expected ')'}} expected-error {{expected 'match' clause on 'omp declare variant' directive}} expected-note {{to match this '('}}
#pragma omp declare variant(x) // expected-error {{use of undeclared identifier 'x'}}
#pragma omp declare variant(foo) // expected-error {{expected 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <int>) // expected-error {{expected 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <int>) xxx // expected-error {{expected 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <int>) match // expected-error {{expected '(' after 'match'}}
#pragma omp declare variant(foofoo <int>) match( // expected-error {{expected context selector in 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <int>) match() // expected-error {{expected context selector in 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <int>) match(xxx) // expected-error {{expected '=' after 'xxx' context selector set name on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <int>) match(xxx =) // expected-error {{expected '{' after '='}}
#pragma omp declare variant(foofoo <int>) match(xxx = yyy) // expected-error {{expected '{' after '='}}
#pragma omp declare variant(foofoo <int>) match(xxx = yyy }) // expected-error {{expected '{' after '='}}
#pragma omp declare variant(foofoo <int>) match(xxx = {) // expected-error {{expected '}' or ',' after ')'}} expected-error {{expected '}'}} expected-note {{to match this '{'}}
#pragma omp declare variant(foofoo <int>) match(xxx = {})
#pragma omp declare variant(foofoo <int>) match(xxx = {vvv, vvv})
#pragma omp declare variant(foofoo <int>) match(xxx = {vvv} xxx) // expected-error {{expected ','}} expected-error {{expected '=' after 'xxx' context selector set name on 'omp declare variant' directive}} expected-error {{context selector set 'xxx' is used already in the same 'omp declare variant' directive}} expected-note {{previously context selector set 'xxx' used here}}
#pragma omp declare variant(foofoo <int>) match(xxx = {vvv}) xxx // expected-warning {{extra tokens at the end of '#pragma omp declare variant' are ignored}}
#pragma omp declare variant(foofoo <int>) match(implementation={xxx}) // expected-warning {{unknown context selector in 'implementation' context selector set of 'omp declare variant' directive, ignored}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor}) // expected-error {{expected '(' after 'vendor'}} expected-error {{expected vendor identifier in 'vendor' context selector of 'implementation' selector set of 'omp declare variant' directive}} expected-error {{expected ')' or ',' after 'vendor name'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(}) // expected-error {{expected vendor identifier in 'vendor' context selector of 'implementation' selector set of 'omp declare variant' directive}} expected-error {{expected ')' or ',' after 'vendor name'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor()}) // expected-error {{expected vendor identifier in 'vendor' context selector of 'implementation' selector set of 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score ibm)}) // expected-error {{expected '(' after 'score'}} expected-warning {{missing ':' after context selector score clause - ignoring}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score( ibm)}) // expected-error {{expected ')' or ',' after 'vendor name'}} expected-error {{expected ')'}} expected-error {{use of undeclared identifier 'ibm'}} expected-error {{expected vendor identifier in 'vendor' context selector of 'implementation' selector set of 'omp declare variant' directive}} expected-warning {{missing ':' after context selector score clause - ignoring}} expected-note {{to match this '('}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score(2 ibm)}) // expected-error {{expected ')' or ',' after 'vendor name'}} expected-error 2 {{expected ')'}} expected-error {{expected vendor identifier in 'vendor' context selector of 'implementation' selector set of 'omp declare variant' directive}} expected-warning {{missing ':' after context selector score clause - ignoring}} expected-note 2 {{to match this '('}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score(foofoo <int>()) ibm)}) // expected-warning {{missing ':' after context selector score clause - ignoring}} expected-error {{expression is not an integral constant expression}} expected-note {{non-constexpr function 'foofoo<int>' cannot be used in a constant expression}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score(5): ibm), vendor(llvm)}) // expected-error {{context trait selector 'vendor' is used already in the same 'implementation' context selector set of 'omp declare variant' directive}} expected-note {{previously context trait selector 'vendor' used here}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score(5): ibm), kind(cpu)}) // expected-warning {{unknown context selector in 'implementation' context selector set of 'omp declare variant' directive, ignored}}
#pragma omp declare variant(foofoo <int>) match(device={xxx}) // expected-warning {{unknown context selector in 'device' context selector set of 'omp declare variant' directive, ignored}}
#pragma omp declare variant(foofoo <int>) match(device={kind}) // expected-error {{expected '(' after 'kind'}} expected-error {{expected 'host', 'nohost', 'cpu', 'gpu', or 'fpga' in 'kind' context selector of 'device' selector set of 'omp declare variant' directive}} expected-error {{expected ')'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp declare variant(foofoo <int>) match(device={kind(}) // expected-error {{expected 'host', 'nohost', 'cpu', 'gpu', or 'fpga' in 'kind' context selector of 'device' selector set of 'omp declare variant' directive}} expected-error 2 {{expected ')'}} expected-note {{to match this '('}}
#pragma omp declare variant(foofoo <int>) match(device={kind()}) // expected-error {{expected 'host', 'nohost', 'cpu', 'gpu', or 'fpga' in 'kind' context selector of 'device' selector set of 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score cpu)}) // expected-error {{expected ')' or ',' after 'score'}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score( ibm)}) // expected-error 2 {{expected ')'}} expected-note {{to match this '('}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score(2 gpu)}) // expected-error 2 {{expected ')'}} expected-note {{to match this '('}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score(foofoo <int>()) ibm)}) // expected-error {{expected ')' or ',' after 'score'}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score(5): host), kind(llvm)}) // expected-error {{context trait selector 'kind' is used already in the same 'device' context selector set of 'omp declare variant' directive}} expected-note {{previously context trait selector 'kind' used here}} expected-error {{expected ')' or ',' after 'score'}} expected-note {{to match this '('}} expected-error {{expected ')'}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}} expected-error {{unknown 'llvm' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score(5): nohost), vendor(llvm)}) // expected-warning {{unknown context selector in 'device' context selector set of 'omp declare variant' directive, ignored}} expected-error {{expected ')' or ',' after 'score'}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
int bar();
#pragma omp declare variant // expected-error {{expected '(' after 'declare variant'}}
#pragma omp declare variant( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp declare variant(foofoo <T> // expected-error {{expected ')'}} expected-error {{expected 'match' clause on 'omp declare variant' directive}} expected-note {{to match this '('}}
#pragma omp declare variant(x) // expected-error {{use of undeclared identifier 'x'}}
#pragma omp declare variant(foo) // expected-error {{expected 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo) // expected-error {{expected 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <T>) // expected-error {{expected 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <T>) xxx // expected-error {{expected 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <T>) match // expected-error {{expected '(' after 'match'}}
#pragma omp declare variant(foofoo <T>) match( // expected-error {{expected context selector in 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <T>) match() // expected-error {{expected context selector in 'match' clause on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <T>) match(xxx) // expected-error {{expected '=' after 'xxx' context selector set name on 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <T>) match(xxx =) // expected-error {{expected '{' after '='}}
#pragma omp declare variant(foofoo <T>) match(xxx = {) // expected-error {{expected '}' or ',' after ')'}} expected-error {{expected '}'}} expected-note {{to match this '{'}}
#pragma omp declare variant(foofoo <T>) match(xxx = {})
#pragma omp declare variant(foofoo <T>) match(xxx = {vvv, vvv})
#pragma omp declare variant(foofoo <T>) match(user = {score(<expr>) : condition(<expr>)})
#pragma omp declare variant(foofoo <T>) match(user = {score(<expr>) : condition(<expr>)})
#pragma omp declare variant(foofoo <T>) match(user = {condition(<expr>)})
#pragma omp declare variant(foofoo <T>) match(user = {condition(<expr>)})
#pragma omp declare variant(foofoo <T>) match(xxx = {vvv} xxx) // expected-error {{expected ','}} expected-error {{expected '=' after 'xxx' context selector set name on 'omp declare variant' directive}} expected-error {{context selector set 'xxx' is used already in the same 'omp declare variant' directive}} expected-note {{previously context selector set 'xxx' used here}}
#pragma omp declare variant(foofoo <T>) match(xxx = {vvv}) xxx // expected-warning {{extra tokens at the end of '#pragma omp declare variant' are ignored}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score ibm)}) // expected-error {{expected '(' after 'score'}} expected-warning {{missing ':' after context selector score clause - ignoring}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score( ibm)}) // expected-error {{expected ')' or ',' after 'vendor name'}} expected-error {{expected ')'}} expected-error {{use of undeclared identifier 'ibm'}} expected-error {{expected vendor identifier in 'vendor' context selector of 'implementation' selector set of 'omp declare variant' directive}} expected-warning {{missing ':' after context selector score clause - ignoring}} expected-note {{to match this '('}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score(C ibm)}) // expected-error {{expected ')' or ',' after 'vendor name'}} expected-error 2 {{expected ')'}} expected-error {{expected vendor identifier in 'vendor' context selector of 'implementation' selector set of 'omp declare variant' directive}} expected-warning {{missing ':' after context selector score clause - ignoring}} expected-note 2 {{to match this '('}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score(foofoo <int>()) ibm)}) // expected-warning {{missing ':' after context selector score clause - ignoring}} expected-error {{expression is not an integral constant expression}} expected-note {{non-constexpr function 'foofoo<int>' cannot be used in a constant expression}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score(C+5): ibm), vendor(llvm)}) // expected-error {{context trait selector 'vendor' is used already in the same 'implementation' context selector set of 'omp declare variant' directive}} expected-note {{previously context trait selector 'vendor' used here}}
#pragma omp declare variant(foofoo <int>) match(implementation={vendor(score(5): ibm), kind(cpu)}) // expected-warning {{unknown context selector in 'implementation' context selector set of 'omp declare variant' directive, ignored}}
#pragma omp declare variant(foofoo <int>) match(device={xxx}) // expected-warning {{unknown context selector in 'device' context selector set of 'omp declare variant' directive, ignored}}
#pragma omp declare variant(foofoo <int>) match(device={kind}) // expected-error {{expected '(' after 'kind'}} expected-error {{expected 'host', 'nohost', 'cpu', 'gpu', or 'fpga' in 'kind' context selector of 'device' selector set of 'omp declare variant' directive}} expected-error {{expected ')'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp declare variant(foofoo <int>) match(device={kind(}) // expected-error {{expected 'host', 'nohost', 'cpu', 'gpu', or 'fpga' in 'kind' context selector of 'device' selector set of 'omp declare variant' directive}} expected-error 2 {{expected ')'}} expected-note {{to match this '('}}
#pragma omp declare variant(foofoo <int>) match(device={kind()}) // expected-error {{expected 'host', 'nohost', 'cpu', 'gpu', or 'fpga' in 'kind' context selector of 'device' selector set of 'omp declare variant' directive}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score cpu)}) // expected-error {{expected ')' or ',' after 'score'}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score( ibm)}) // expected-error 2 {{expected ')'}} expected-note {{to match this '('}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score(C gpu)}) // expected-error 2 {{expected ')'}} expected-note {{to match this '('}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score(foofoo <int>()) ibm)}) // expected-error {{expected ')' or ',' after 'score'}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score(C+5): host), kind(llvm)}) // expected-error {{context trait selector 'kind' is used already in the same 'device' context selector set of 'omp declare variant' directive}} expected-note {{previously context trait selector 'kind' used here}} expected-error {{expected ')' or ',' after 'score'}} expected-note {{to match this '('}} expected-error {{expected ')'}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}} expected-error {{unknown 'llvm' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
#pragma omp declare variant(foofoo <int>) match(device={kind(score(C+5): nohost), vendor(llvm)}) // expected-warning {{unknown context selector in 'device' context selector set of 'omp declare variant' directive, ignored}} expected-error {{expected ')' or ',' after 'score'}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{unknown 'score' device kind trait in the 'device' context selector set, expected one of 'host', 'nohost', 'cpu', 'gpu' or 'fpga'}}
template <typename T, int C>
T barbar();
// expected-error@+2 {{'#pragma omp declare variant' can only be applied to functions}}
#pragma omp declare variant(barbar <int>) match(xxx = {})
int a;
// expected-error@+2 {{'#pragma omp declare variant' can only be applied to functions}}
#pragma omp declare variant(barbar <int>) match(xxx = {})
#pragma omp threadprivate(a)
int var;
#pragma omp threadprivate(var)
// expected-error@+2 {{expected an OpenMP directive}} expected-error@+1 {{function declaration is expected after 'declare variant' directive}}
#pragma omp declare variant(barbar <int>) match(xxx = {})
#pragma omp declare
// expected-error@+3 {{function declaration is expected after 'declare variant' directive}}
// expected-error@+1 {{function declaration is expected after 'declare variant' directive}}
#pragma omp declare variant(barbar <int>) match(xxx = {})
#pragma omp declare variant(barbar <int>) match(xxx = {})
#pragma options align = packed
int main();
// expected-error@+3 {{function declaration is expected after 'declare variant' directive}}
// expected-error@+1 {{function declaration is expected after 'declare variant' directive}}
#pragma omp declare variant(barbar <int>) match(xxx = {})
#pragma omp declare variant(barbar <int>) match(xxx = {})
#pragma init_seg(compiler)
int main();
// expected-error@+1 {{single declaration is expected after 'declare variant' directive}}
#pragma omp declare variant(barbar <int>) match(xxx = {})
int b, c;
// expected-error@+1 {{'C' does not refer to a value}}
#pragma omp declare variant(C) match(xxx = {})
// expected-note@+1 {{declared here}}
template <class C>
void h(C *hp, C *hp2, C *hq, C *lin) {
b = 0;
}
// expected-error@+1 {{variant in '#pragma omp declare variant' with type '<overloaded function type>' is incompatible with type 'void (int *, int *, int *, int *)'}}
#pragma omp declare variant(barbar <int>) match(xxx = {})
template <>
void h(int *hp, int *hp2, int *hq, int *lin);
int after_use_variant(void);
int after_use();
int bar() {
return after_use();
}
// expected-warning@+1 {{'#pragma omp declare variant' cannot be applied for function after first usage; the original function might be used}}
#pragma omp declare variant(after_use_variant) match(xxx = {})
int after_use(void);
int fn();
int fn(int);
#pragma omp declare variant(fn) match(xxx = {})
int overload(void);
int fn1();
int fn1(int);
// expected-error@+1 {{variant in '#pragma omp declare variant' with type '<overloaded function type>' is incompatible with type 'int (float)'}}
#pragma omp declare variant(fn1) match(xxx = {})
int overload1(float);
int fn_constexpr_variant();
// expected-error@+2 {{'#pragma omp declare variant' does not support constexpr functions}}
#pragma omp declare variant(fn_constexpr_variant) match(xxx = {})
constexpr int fn_constexpr();
constexpr int fn_constexpr_variant1();
// expected-error@+1 {{'#pragma omp declare variant' does not support constexpr functions}}
#pragma omp declare variant(fn_constexpr_variant1) match(xxx = {})
int fn_constexpr1();
int fn_sc_variant();
// expected-error@+1 {{function with '#pragma omp declare variant' has a different storage class}}
#pragma omp declare variant(fn_sc_variant) match(xxx = {})
static int fn_sc();
static int fn_sc_variant1();
// expected-error@+1 {{function with '#pragma omp declare variant' has a different storage class}}
#pragma omp declare variant(fn_sc_variant1) match(xxx = {})
int fn_sc1();
int fn_inline_variant();
// expected-error@+1 {{function with '#pragma omp declare variant' has a different inline specification}}
#pragma omp declare variant(fn_inline_variant) match(xxx = {})
inline int fn_inline();
inline int fn_inline_variant1();
// expected-error@+1 {{function with '#pragma omp declare variant' has a different inline specification}}
#pragma omp declare variant(fn_inline_variant1) match(xxx = {})
int fn_inline1();
auto fn_deduced_variant() { return 0; }
#pragma omp declare variant(fn_deduced_variant) match(xxx = {})
int fn_deduced();
int fn_deduced_variant1();
#pragma omp declare variant(fn_deduced_variant1) match(xxx = {})
auto fn_deduced1() { return 0; }
auto fn_deduced3() { return 0; }
// expected-warning@+1 {{'#pragma omp declare variant' cannot be applied to the function that was defined already; the original function might be used}}
#pragma omp declare variant(fn_deduced_variant1) match(xxx = {})
auto fn_deduced3();
auto fn_deduced_variant2() { return 0; }
// expected-error@+1 {{variant in '#pragma omp declare variant' with type 'int ()' is incompatible with type 'float ()'}}
#pragma omp declare variant(fn_deduced_variant2) match(xxx = {})
float fn_deduced2();
// expected-error@+1 {{exception specification in declaration does not match previous declaration}}
int fn_except_variant() noexcept(true);
// expected-note@+2 {{previous declaration is here}}
#pragma omp declare variant(fn_except_variant) match(xxx = {})
int fn_except() noexcept(false);
// expected-error@+1 {{exception specification in declaration does not match previous declaration}}
int fn_except_variant1() noexcept(false);
// expected-note@+2 {{previous declaration is here}}
#pragma omp declare variant(fn_except_variant1) match(xxx = {})
int fn_except1() noexcept(true);
struct SpecialFuncs {
void vd();
// expected-error@+2 {{'#pragma omp declare variant' does not support constructors}}
#pragma omp declare variant(SpecialFuncs::vd) match(xxx = {})
SpecialFuncs();
// expected-error@+2 {{'#pragma omp declare variant' does not support destructors}}
#pragma omp declare variant(SpecialFuncs::vd) match(xxx = {})
~SpecialFuncs();
void baz();
void bar();
void bar(int);
#pragma omp declare variant(SpecialFuncs::baz) match(xxx = {})
#pragma omp declare variant(SpecialFuncs::bar) match(xxx = {})
// expected-error@+1 {{variant in '#pragma omp declare variant' with type 'int (*)()' is incompatible with type 'void (SpecialFuncs::*)()'}}
#pragma omp declare variant(fn_sc_variant1) match(xxx = {})
void foo1();
SpecialFuncs& foo(const SpecialFuncs&);
SpecialFuncs& bar(SpecialFuncs&&);
// expected-error@+2 {{'#pragma omp declare variant' does not support defaulted functions}}
#pragma omp declare variant(SpecialFuncs::foo) match(xxx = {})
SpecialFuncs& operator=(const SpecialFuncs&) = default;
// expected-error@+2 {{'#pragma omp declare variant' does not support deleted functions}}
#pragma omp declare variant(SpecialFuncs::bar) match(xxx = {})
SpecialFuncs& operator=(SpecialFuncs&&) = delete;
};
namespace N {
// expected-error@+1 {{function declaration is expected after 'declare variant' directive}}
#pragma omp declare variant
} // namespace N
// expected-error@+1 {{function declaration is expected after 'declare variant' directive}}
#pragma omp declare variant
// expected-error@+1 {{function declaration is expected after 'declare variant' directive}}
#pragma omp declare variant