clang/test/Analysis/diagnostics/explicit-suppression.cpp

   1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config suppress-c++-stdlib=false -verify %s
   2 // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config suppress-c++-stdlib=true -DSUPPRESSED=1 -verify %s
   3 // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -DSUPPRESSED=1 -verify %s
   4
   5 #ifdef SUPPRESSED
   6 // expected-no-diagnostics
   7 #endif
   8
   9 #include "../Inputs/system-header-simulator-cxx.h"
  10
  11 void clang_analyzer_eval(bool);
  12
  13 class C {
  14   // The virtual function is to make C not trivially copy assignable so that we call the
  15   // variant of std::copy() that does not defer to memmove().
  16   virtual int f();
  17 };
  18
  19 void testCopyNull(C *I, C *E) {
  20   std::copy(I, E, (C *)0);
  21 #ifndef SUPPRESSED
  22   // expected-warning@../Inputs/system-header-simulator-cxx.h:741 {{Called C++ object pointer is null}}
  23 #endif
  24 }