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      1 // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib2_0.so
      2 // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib2_1.so
      3 // RUN: %clangxx_tsan -O1 %s -o %t
      4 // RUN: TSAN_OPTIONS="$TSAN_OPTIONS suppressions='%s.supp'" %deflake %run %t | FileCheck %s
      5 
      6 // Tests that called_from_lib suppression matched against 2 libraries
      7 // causes program crash (this is not supported).
      8 
      9 #ifndef LIB
     10 
     11 #include <dlfcn.h>
     12 #include <stdio.h>
     13 #include <libgen.h>
     14 #include <string>
     15 
     16 int main(int argc, char **argv) {
     17   std::string lib0 = std::string(dirname(argv[0])) + "/libignore_lib2_0.so";
     18   std::string lib1 = std::string(dirname(argv[0])) + "/libignore_lib2_1.so";
     19   dlopen(lib0.c_str(), RTLD_GLOBAL | RTLD_NOW);
     20   dlopen(lib1.c_str(), RTLD_GLOBAL | RTLD_NOW);
     21   fprintf(stderr, "OK\n");
     22 }
     23 
     24 #else  // #ifdef LIB
     25 
     26 extern "C" void libfunc() {
     27 }
     28 
     29 #endif  // #ifdef LIB
     30 
     31 // CHECK: ThreadSanitizer: called_from_lib suppression 'ignore_lib2' is matched against 2 libraries
     32 // CHECK-NOT: OK
     33 
     34