[clang-tools-extra] [clang-tidy] Add WarnOnSizeOfPointer mode to bugprone-sizeof-expression (PR #94356)

[Donát Nagy via cfe-commits]

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@@ -124,8 +124,6 @@ int Test1(const char* ptr) {
   // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: suspicious usage of sizeof 
pointer 'sizeof(P*)/sizeof(Q*)'
   sum += sizeof(ptr) / sizeof(char);
   // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: suspicious usage of sizeof 
pointer 'sizeof(T*)/sizeof(T)'
-  sum += sizeof(ptr) / sizeof(ptr[0]);
-  // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: suspicious usage of sizeof 
pointer 'sizeof(T*)/sizeof(T)'
----------------
NagyDonat wrote:

I'm deleting this test line, because the same expression also appears on line 
117.

https://github.com/llvm/llvm-project/pull/94356
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