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// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s
int temp; // expected-note 6 {{'temp' declared here}}
#pragma omp declare reduction // expected-error {{expected '(' after 'declare reduction'}}
#pragma omp declare reduction { // expected-error {{expected '(' after 'declare reduction'}}
#pragma omp declare reduction( // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}}
#pragma omp declare reduction(# // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}}
#pragma omp declare reduction(/ // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}}
#pragma omp declare reduction(+ // expected-error {{expected ':'}}
#pragma omp declare reduction(for // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}}
#pragma omp declare reduction(if: // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}} expected-error {{expected a type}}
#pragma omp declare reduction(oper: // expected-error {{expected a type}}
#pragma omp declare reduction(oper; // expected-error {{expected ':'}} expected-error {{expected a type}}
#pragma omp declare reduction(fun : int // expected-error {{expected ':'}} expected-error {{expected expression}}
#pragma omp declare reduction(+ : const int: // expected-error {{reduction type cannot be qualified with 'const', 'volatile' or 'restrict'}}
#pragma omp declare reduction(- : volatile int: // expected-error {{reduction type cannot be qualified with 'const', 'volatile' or 'restrict'}}
#pragma omp declare reduction(* : int; // expected-error {{expected ','}} expected-error {{expected a type}}
#pragma omp declare reduction(& : double char: // expected-error {{cannot combine with previous 'double' declaration specifier}} expected-error {{expected expression}}
#pragma omp declare reduction(^ : double, char, : // expected-error {{expected a type}} expected-error {{expected expression}}
#pragma omp declare reduction(&& : int, S: // expected-error {{unknown type name 'S'}} expected-error {{expected expression}}
#pragma omp declare reduction(|| : int, double : temp += omp_in) // expected-error 2 {{only 'omp_in' or 'omp_out' variables are allowed in combiner expression}}
#pragma omp declare reduction(| : char, float : omp_out += temp) // expected-error 2 {{only 'omp_in' or 'omp_out' variables are allowed in combiner expression}}
#pragma omp declare reduction(fun : long : omp_out += omp_in) { // expected-error {{expected 'initializer'}} expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}}
#pragma omp declare reduction(fun : unsigned : omp_out += temp)) // expected-error {{expected 'initializer'}} expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}} expected-error {{only 'omp_in' or 'omp_out' variables are allowed in combiner expression}}
#pragma omp declare reduction(fun : long(void) : omp_out += omp_in) // expected-error {{reduction type cannot be a function type}}
#pragma omp declare reduction(fun : long[3] : omp_out += omp_in) // expected-error {{reduction type cannot be an array type}}
#pragma omp declare reduction(fun23 : long, int, long : omp_out += omp_in) // expected-error {{redefinition of user-defined reduction for type 'long'}} expected-note {{previous definition is here}}
#pragma omp declare reduction(fun222 : long : omp_out += omp_in)
#pragma omp declare reduction(fun1 : long : omp_out += omp_in) initializer // expected-error {{expected '(' after 'initializer'}}
#pragma omp declare reduction(fun2 : long : omp_out += omp_in) initializer { // expected-error {{expected '(' after 'initializer'}} expected-error {{expected expression}} expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}}
#pragma omp declare reduction(fun3 : long : omp_out += omp_in) initializer[ // expected-error {{expected '(' after 'initializer'}} expected-error {{expected expression}} expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}}
#pragma omp declare reduction(fun4 : long : omp_out += omp_in) initializer() // expected-error {{expected expression}}
#pragma omp declare reduction(fun5 : long : omp_out += omp_in) initializer(temp) // expected-error {{only 'omp_priv' or 'omp_orig' variables are allowed in initializer expression}}
#pragma omp declare reduction(fun6 : long : omp_out += omp_in) initializer(omp_orig // expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp declare reduction(fun7 : long : omp_out += omp_in) initializer(omp_priv 12) // expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp declare reduction(fun8 : long : omp_out += omp_in) initializer(omp_priv = 23) // expected-note {{previous definition is here}}
#pragma omp declare reduction(fun8 : long : omp_out += omp_in) initializer(omp_priv = 23)) // expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}} expected-error {{redefinition of user-defined reduction for type 'long'}}
#pragma omp declare reduction(fun9 : long : omp_out += omp_in) initializer(omp_priv = ) // expected-error {{expected expression}}
int fun(int arg) {
#pragma omp declare reduction(red : int : omp_out++)
{
#pragma omp declare reduction(red : int : omp_out++) // expected-note {{previous definition is here}}
#pragma omp declare reduction(red : int : omp_out++) // expected-error {{redefinition of user-defined reduction for type 'int'}}
{
#pragma omp declare reduction(red : int : omp_out++)
}
}
return arg;
}
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