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      1 // Test dedup_token_length
      2 // RUN: %clangxx -O0 %s -o %t
      3 // RUN: env %tool_options='abort_on_error=0'                    not %run %t 2>&1   | FileCheck %s --check-prefix=CHECK0
      4 // RUN: env %tool_options='abort_on_error=0, dedup_token_length=0' not %run %t 2>&1   | FileCheck %s --check-prefix=CHECK0
      5 // RUN: env %tool_options='abort_on_error=0, dedup_token_length=1' not %run %t 2>&1   | FileCheck %s --check-prefix=CHECK1
      6 // RUN: env %tool_options='abort_on_error=0, dedup_token_length=2' not %run %t 2>&1   | FileCheck %s --check-prefix=CHECK2
      7 // RUN: env %tool_options='abort_on_error=0, dedup_token_length=3' not %run %t 2>&1   | FileCheck %s --check-prefix=CHECK3
      8 
      9 // REQUIRES: stable-runtime
     10 // FIXME: implement SEGV handler in other sanitizers, not just asan.
     11 // XFAIL: msan
     12 // XFAIL: lsan
     13 // XFAIL: tsan
     14 
     15 volatile int *null = 0;
     16 
     17 namespace Xyz {
     18   template<class A, class B> void Abc() {
     19     *null = 0;
     20   }
     21 }
     22 
     23 extern "C" void bar() {
     24   Xyz::Abc<int, int>();
     25 }
     26 
     27 void FOO() {
     28   bar();
     29 }
     30 
     31 int main(int argc, char **argv) {
     32   FOO();
     33 }
     34 
     35 // CHECK0-NOT: DEDUP_TOKEN:
     36 // CHECK1: DEDUP_TOKEN: void Xyz::Abc<int, int>()
     37 // CHECK1-NOT: bar
     38 // CHECK2: DEDUP_TOKEN: void Xyz::Abc<int, int>()--bar
     39 // CHECK2-NOT: FOO
     40 // CHECK3: DEDUP_TOKEN: void Xyz::Abc<int, int>()--bar--FOO()
     41