FieldDependencyWarningDerived.cpp
1.05 KB
// RUN: clang-reorder-fields -record-name bar::Derived -fields-order z,y %s -- 2>&1 | FileCheck --check-prefix=CHECK-MESSAGES %s
// FIXME: clang-reorder-fields should provide -verify mode to make writing these checks
// easier and more accurate, for now we follow clang-tidy's approach.
namespace bar {
struct Base {
int x;
int p;
};
class Derived : public Base {
public:
Derived(long ny);
Derived(char nz);
private:
long y;
char z;
};
Derived::Derived(long ny) :
Base(),
y(ny),
z(static_cast<char>(y))
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: reordering field y after z makes y uninitialized when used in init expression
{}
Derived::Derived(char nz) :
Base(),
y(nz),
// Check that base class fields are correctly ignored in reordering checks
// x has field index 1 and so would improperly warn if this wasn't the case since the command for this file swaps field indexes 1 and 2
z(x)
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:3: warning: reordering field x after z makes x uninitialized when used in init expression
{}
} // namespace bar