[clang] [Clang][CodeGen] Fix builtin_fpclassify with llvm.is.fpclass (PR #183430)

[Matt Arsenault via cfe-commits]

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@@ -233,4 +232,4 @@ void test_isnormal(double d) {
   P(isnormal, (d));
 
   return;
-}
+}
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arsenm wrote:

```suggestion
}

```

https://github.com/llvm/llvm-project/pull/183430