[clang] [CIR] Handle NullStmt (PR #134889)

[Andy Kaylor via cfe-commits]

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@@ -57,6 +57,7 @@ mlir::LogicalResult CIRGenFunction::emitStmt(const Stmt *s,
 
   switch (s->getStmtClass()) {
   case Stmt::BreakStmtClass:
+  case Stmt::NullStmtClass:
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andykaylor wrote:

I'm fine with that. Trying to avoid doing multiple things, but this is all basically doing nothing in the correct place, so it sort of makes sense.

https://github.com/llvm/llvm-project/pull/134889