1*67e74705SXin Li // RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,debug.ExprInspection -verify %s 2*67e74705SXin Li // REQUIRES: LP64 3*67e74705SXin Li 4*67e74705SXin Li void clang_analyzer_eval(bool); 5*67e74705SXin Li f1(char * dst)6*67e74705SXin Liint f1(char *dst) { 7*67e74705SXin Li char *p = dst + 4; 8*67e74705SXin Li char *q = dst + 3; 9*67e74705SXin Li return !(q >= p); 10*67e74705SXin Li } 11*67e74705SXin Li f2(char * c)12*67e74705SXin Lilong f2(char *c) { 13*67e74705SXin Li return long(c) & 1; 14*67e74705SXin Li } 15*67e74705SXin Li f3()16*67e74705SXin Libool f3() { 17*67e74705SXin Li return !false; 18*67e74705SXin Li } 19*67e74705SXin Li f4(int * w)20*67e74705SXin Livoid *f4(int* w) { 21*67e74705SXin Li return reinterpret_cast<void*&>(w); 22*67e74705SXin Li } 23*67e74705SXin Li 24*67e74705SXin Li namespace { 25*67e74705SXin Li 26*67e74705SXin Li struct A { }; 27*67e74705SXin Li struct B { operator A__anonbcc681d70111::B28*67e74705SXin Li operator A() { return A(); } 29*67e74705SXin Li }; 30*67e74705SXin Li f(char * dst)31*67e74705SXin LiA f(char *dst) { 32*67e74705SXin Li B b; 33*67e74705SXin Li return b; 34*67e74705SXin Li } 35*67e74705SXin Li 36*67e74705SXin Li } 37*67e74705SXin Li 38*67e74705SXin Li namespace { 39*67e74705SXin Li 40*67e74705SXin Li struct S { 41*67e74705SXin Li void *p; 42*67e74705SXin Li }; 43*67e74705SXin Li f(S * w)44*67e74705SXin Livoid *f(S* w) { 45*67e74705SXin Li return &reinterpret_cast<void*&>(*w); 46*67e74705SXin Li } 47*67e74705SXin Li 48*67e74705SXin Li } 49*67e74705SXin Li 50*67e74705SXin Li namespace { 51*67e74705SXin Li 52*67e74705SXin Li struct C { 53*67e74705SXin Li void *p; 54*67e74705SXin Li static void f(); 55*67e74705SXin Li }; 56*67e74705SXin Li f()57*67e74705SXin Livoid C::f() { } 58*67e74705SXin Li 59*67e74705SXin Li } 60*67e74705SXin Li 61*67e74705SXin Li vla(int n)62*67e74705SXin Livoid vla(int n) { 63*67e74705SXin Li int nums[n]; 64*67e74705SXin Li nums[0] = 1; 65*67e74705SXin Li clang_analyzer_eval(nums[0] == 1); // expected-warning{{TRUE}} 66*67e74705SXin Li 67*67e74705SXin Li // This used to fail with MallocChecker on, and /only/ in C++ mode. 68*67e74705SXin Li // This struct is POD, though, so it should be fine to put it in a VLA. 69*67e74705SXin Li struct { int x; } structs[n]; 70*67e74705SXin Li structs[0].x = 1; 71*67e74705SXin Li clang_analyzer_eval(structs[0].x == 1); // expected-warning{{TRUE}} 72*67e74705SXin Li } 73*67e74705SXin Li 74*67e74705SXin Li void useIntArray(int []); testIntArrayLiteral()75*67e74705SXin Livoid testIntArrayLiteral() { 76*67e74705SXin Li useIntArray((int []){ 1, 2, 3 }); 77*67e74705SXin Li } 78*67e74705SXin Li 79