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// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
// Regtest for https://github.com/google/sanitizers/issues/447
// This is a correct program and tsan should not report a race.
#include "test.h"
int g;
__attribute__((noinline))
int foo(int cond) {
if (cond)
return g;
return 0;
}
void *Thread1(void *p) {
barrier_wait(&barrier);
long res = foo((long)p);
return (void*) res;
}
int main() {
barrier_init(&barrier, 2);
pthread_t t;
pthread_create(&t, 0, Thread1, 0);
g = 1;
barrier_wait(&barrier);
pthread_join(t, 0);
fprintf(stderr, "PASS\n");
// CHECK-NOT: ThreadSanitizer: data race
// CHECK: PASS
}
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