[clang] [-Wunsafe-buffer-usage] Suppress warning for multi-dimensional constant arrays (PR #118249)

[via cfe-commits]

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@@ -8,6 +8,5 @@
 // main function
 int main(int argc, char *argv[]) { // expected-warning{{'argv' is an unsafe pointer used for buffer access}}
   char tmp;
-  tmp = argv[5][5];                // expected-note{{used in buffer access here}} \
-				      expected-warning{{unsafe buffer access}}
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jkorous-apple wrote:

We need this warning. `argv` is a two-dimensional pointer and we don't know the bounds.

https://github.com/llvm/llvm-project/pull/118249