================
@@ -352,21 +352,30 @@ void good13(void) {
int Buffer[BufferSize];
int *P = &Buffer[0];
- while (P < (Buffer + sizeof(Buffer) / sizeof(int))) {
+ while (P < Buffer + sizeof(Buffer) / sizeof(int)) {
// NO-WARNING: Calculating the element count of the buffer here, which is
// safe with this idiom (as long as the types don't change).
++P;
}
- while (P < (Buffer + sizeof(Buffer) / sizeof(Buffer[0]))) {
+ while (P < Buffer + sizeof(Buffer) / sizeof(Buffer[0])) {
// NO-WARNING: Calculating the element count of the buffer here, which is
// safe with this idiom.
++P;
}
- while (P < (Buffer + sizeof(Buffer) / sizeof(*P))) {
+ while (P < Buffer + sizeof(Buffer) / sizeof(*P)) {
// NO-WARNING: Calculating the element count of the buffer here, which is
// safe with this idiom.
++P;
}
}
+
+void situational14(int *Buffer, size_t BufferSize) {
+ int *P = &Buffer[0];
+ while (P < Buffer + BufferSize / sizeof(*Buffer)) {
+ // CHECK-MESSAGES: :[[@LINE-1]]:21: warning: suspicious usage of
'sizeof(...)' in pointer arithmetic; this scaled value will be scaled again by
the '+' operator
----------------
5chmidti wrote:
You're right
https://github.com/llvm/llvm-project/pull/111178
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