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      1 // Test that mixing instrumented and non-instrumented code doesn't lead to crash.
      2 // Build two modules (one is instrumented, another is not) that have globals
      3 // with same names. Check, that ASan doesn't crash with CHECK failure or
      4 // false positive global-buffer-overflow due to sanitized library poisons
      5 // globals from non-sanitized one.
      6 //
      7 // FIXME: https://github.com/google/sanitizers/issues/316
      8 // XFAIL: android
      9 // XFAIL: mips64
     10 //
     11 // RUN: %clangxx_asan -DBUILD_INSTRUMENTED_DSO=1 -fPIC -shared -mllvm -asan-use-private-alias %s -o %t-INSTRUMENTED-SO.so
     12 // RUN: %clangxx -DBUILD_UNINSTRUMENTED_DSO=1 -fPIC -shared %s -o %t-UNINSTRUMENTED-SO.so
     13 // RUN: %clangxx %s -c -mllvm -asan-use-private-alias -o %t.o
     14 // RUN: %clangxx_asan %t.o %t-UNINSTRUMENTED-SO.so %t-INSTRUMENTED-SO.so -o %t-EXE
     15 // RUN: %env_asan_opts=use_odr_indicator=true %run %t-EXE
     16 
     17 #if defined (BUILD_INSTRUMENTED_DSO)
     18 long h = 15;
     19 long f = 4;
     20 long foo(long *p) {
     21   return *p;
     22 }
     23 #elif defined (BUILD_UNINSTRUMENTED_DSO)
     24 long foo(long *);
     25 long h = 12;
     26 long i = 13;
     27 long f = 5;
     28 
     29 int bar() {
     30   if (foo(&f) != 5 || foo(&h) != 12 || foo(&i) != 13)
     31     return 1;
     32   return 0;
     33 }
     34 #else
     35 extern int bar();
     36 
     37 int main() {
     38   return bar();
     39 }
     40 #endif
     41