1 // RUN: %clang_analyze_cc1 \
2 // RUN:  -analyzer-checker=core,cplusplus.NewDeleteLeaks \
3 // RUN:  -verify %s
4 
5 // expected-no-diagnostics: Whenever we cannot evaluate an operation we escape
6 //                          the operands. After the evaluation it would be an
7 //                          Unknown value and the tracking would be lost.
8 
9 typedef unsigned __INTPTR_TYPE__ uintptr_t;
10 
11 class C {};
12 
simple_escape_in_bitwise_op(C * Foo)13 C *simple_escape_in_bitwise_op(C *Foo) {
14   C *Bar = new C();
15   Bar = reinterpret_cast<C *>(reinterpret_cast<uintptr_t>(Bar) & 0x1);
16   (void)Bar;
17   // no-warning: "Potential leak of memory pointed to by 'Bar'" was here.
18 
19   return Bar;
20 }
21 
indirect_escape_in_bitwise_op()22 C **indirect_escape_in_bitwise_op() {
23   C *Qux = new C();
24   C **Baz = &Qux;
25   Baz = reinterpret_cast<C **>(reinterpret_cast<uintptr_t>(Baz) | 0x1);
26   Baz = reinterpret_cast<C **>(reinterpret_cast<uintptr_t>(Baz) &
27 		               ~static_cast<uintptr_t>(0x1));
28   // no-warning: "Potential leak of memory pointed to by 'Qux'" was here.
29 
30   delete *Baz;
31   return Baz;
32 }
33 
34