clang/test/Analysis/copypaste/fold.cpp

   1 // RUN: %clang_analyze_cc1 -std=c++1z -analyzer-checker=alpha.clone.CloneChecker -analyzer-config alpha.clone.CloneChecker:MinimumCloneComplexity=10 -verify %s
   2
   3 // expected-no-diagnostics
   4
   5 int global = 0;
   6
   7 template<typename ...Args>
   8 int foo1(Args&&... args) {
   9   if (global > 0)
  10     return 0;
  11   else if (global < 0)
  12     return (args + ...);
  13   return 1;
  14 }
  15
  16 // Different opeator in fold expression.
  17 template<typename ...Args>
  18 int foo2(Args&&... args) {
  19   if (global > 0)
  20     return 0;
  21   else if (global < 0)
  22     return (args - ...);
  23   return 1;
  24 }
  25
  26 // Parameter pack on a different side
  27 template<typename ...Args>
  28 int foo3(Args&&... args) {
  29   if (global > 0)
  30     return 0;
  31   else if (global < 0)
  32     return -1;
  33   return (... + args);
  34 return 1;
  35 }