34 lines
764 B
C++
34 lines
764 B
C++
|
// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store region -verify %s
|
||
|
|
// expected-no-diagnostics
|
||
|
|
|
||
|
|
// Intra-procedural C++ tests.
|
||
|
|
|
||
|
|
// Test relaxing function call arguments invalidation to be aware of const
|
||
|
|
// arguments. radar://10595327
|
||
|
|
struct InvalidateArgs {
|
||
|
|
void ttt(const int &nptr);
|
||
|
|
virtual void vttt(const int *nptr);
|
||
|
|
};
|
||
|
|
struct ChildOfInvalidateArgs: public InvalidateArgs {
|
||
|
|
virtual void vttt(const int *nptr);
|
||
|
|
};
|
||
|
|
void declarationFun(int x) {
|
||
|
|
InvalidateArgs t;
|
||
|
|
x = 3;
|
||
|
|
int y = x + 1;
|
||
|
|
int *p = 0;
|
||
|
|
t.ttt(y);
|
||
|
|
if (x == y)
|
||
|
|
y = *p; // no-warning
|
||
|
|
}
|
||
|
|
void virtualFun(int x) {
|
||
|
|
ChildOfInvalidateArgs t;
|
||
|
|
InvalidateArgs *pt = &t;
|
||
|
|
x = 3;
|
||
|
|
int y = x + 1;
|
||
|
|
int *p = 0;
|
||
|
|
pt->vttt(&y);
|
||
|
|
if (x == y)
|
||
|
|
y = *p; // no-warning
|
||
|
|
}
|