================
@@ -0,0 +1,59 @@
+// RUN: %check_clang_tidy %s bugprone-virtual-arithmetic %t
+
+class Base {
+public:
+ virtual ~Base() {}
+};
+
+class Derived : public Base {};
+
+void operators() {
+ Base *b = new Derived[10];
+
+ b += 1;
+ // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: pointer arithmetic on class
'Base' that declares a virtual function, undefined behavior if the pointee is a
different class [bugprone-virtual-arithmetic]
+
+ b = b + 1;
+ // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: pointer arithmetic on class
'Base' that declares a virtual function, undefined behavior if the pointee is a
different class [bugprone-virtual-arithmetic]
+
+ b++;
+ // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: pointer arithmetic on class
'Base' that declares a virtual function, undefined behavior if the pointee is a
different class [bugprone-virtual-arithmetic]
----------------
PiotrZSL wrote:
add tests for ++b;
https://github.com/llvm/llvm-project/pull/91951
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