Silence a "not all control paths return a value" warning; NFC

AaronBallman · AaronBallman · commit aebe312c03a6 · 2023-08-28T07:52:47.000-04:00
diff --git a/clang/include/clang/AST/Expr.h b/clang/include/clang/AST/Expr.h
@@ -6488,6 +6488,7 @@ class AtomicExpr : public Expr {
     return #ID;
 #include "clang/Basic/Builtins.def"
     }
+    llvm_unreachable("not an atomic operator?");
   }
   unsigned getNumSubExprs() const { return NumSubExprs; }
 

Original file line number	Diff line number	Diff line change
`@@ -6488,6 +6488,7 @@ class AtomicExpr : public Expr {`
`6488`	`6488`	`return #ID;`
`6489`	`6489`	`#include "clang/Basic/Builtins.def"`
`6490`	`6490`	`}`
	`6491`	`+ llvm_unreachable("not an atomic operator?");`
`6491`	`6492`	`}`
`6492`	`6493`	`unsigned getNumSubExprs() const { return NumSubExprs; }`
`6493`	`6494`