[PATCH] D134461: [Clang] Diagnose an error when trying to deferencing void pointers in C

[Jun Zhang via Phabricator via cfe-commits]

junaire added a comment.

I'd admit that passing a boolean between these functions is ugly but surprisingly it works! even for `&(void_ptr)! But yeah, please suggest if you have better solutions ;D



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Comment at: clang/test/C/drs/dr1xx.c:142
   /* The behavior of all three of these is undefined. */
-  (void)*p;
-  (void)(i ? *p : *p);
+  (void)*p; /* expected-warning {{deference a void pointer has undefined behavior}} */
+  (void)(i ? *p : *p); /* expected-warning {{deference a void pointer has undefined behavior}} */
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I seem not dealing with the tests correctly, mostly because we're specifying multiple run lines with different standards. Can you help me a little bit with this? @aaron.ballman 


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https://reviews.llvm.org/D134461