clang/test/Analysis/new-ctor-malloc.cpp

   1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection,unix.Malloc -analyzer-config c++-allocator-inlining=true -analyzer-output=text -std=c++11 -verify %s
   2
   3 void clang_analyzer_eval(bool);
   4
   5 typedef __typeof__(sizeof(int)) size_t;
   6
   7 void *malloc(size_t size);
   8
   9 void *operator new(size_t size) throw() {
  10   void *x = malloc(size); // expected-note {{Memory is allocated}}
  11   if (!x) // expected-note    {{Assuming 'x' is non-null}}
  12           // expected-note@-1 {{Taking false branch}}
  13     return nullptr;
  14   // expected-warning@-1 {{null returned from function that requires a non-null return value}}
  15   return x;
  16 }
  17
  18 void checkNewAndConstructorInlining() {
  19   int *s = new int; // expected-note   {{Calling 'operator new'}}
  20                     // expected-note@-1{{Returning from 'operator new'}}
  21 } // expected-warning {{Potential leak of memory pointed to by 's'}}
  22   // expected-note@-1 {{Potential leak of memory pointed to by 's'}}