[llvm] [mlir] eliminating g++ warnings (PR #105520)

[Frank Schlimbach via llvm-commits]

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@@ -301,7 +301,7 @@ void mlirDebuggerAddFileLineColLocBreakpoint(const char *file, int line,
 
 LLVM_ATTRIBUTE_NOINLINE void mlirDebuggerBreakpointHook() {
   static LLVM_THREAD_LOCAL void *volatile sink;
-  sink = (void *)&sink;
+  sink = (void *)const_cast<void **>(&sink);
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fschlimb wrote:

changed to using C++ casts only

https://github.com/llvm/llvm-project/pull/105520