// RUN: %clang_cc1 -analyze -analyzer-checker=core -verify %s // expected-no-diagnostics extern void __assert_fail (__const char *__assertion, __const char *__file, unsigned int __line, __const char *__function) __attribute__ ((__noreturn__)); #define assert(expr) \ ((expr) ? (void)(0) : __assert_fail (#expr, __FILE__, __LINE__, __func__)) class ButterFly { private: ButterFly() { } public: int triggerderef() { return 0; } }; ButterFly *getInP(); class X{ ButterFly *p; void setP(ButterFly *inP) { if(inP) ; p = inP; }; void subtest1() { ButterFly *inP = getInP(); setP(inP); } int subtest2() { int c = p->triggerderef(); // no-warning return c; } int test() { subtest1(); return subtest2(); } }; typedef const int *Ty; extern Ty notNullArg(Ty cf) __attribute__((nonnull)); typedef const void *CFTypeRef; extern Ty getTyVal(); inline void radar13224271_callee(Ty def, Ty& result ) { result = def; // Clearly indicates that result cannot be 0 if def is not NULL. assert( (result != 0) || (def == 0) ); } void radar13224271_caller() { Ty value; radar13224271_callee(getTyVal(), value ); notNullArg(value); // no-warning } struct Foo { int *ptr; Foo(int *p) { *p = 1; // no-warning } }; void idc(int *p3) { if (p3) ; } int *retNull() { return 0; } void test(int *p1, int *p2) { idc(p1); Foo f(p1); }