[PATCH] Disallow using function parameters in extended asm inputs or outputs in naked functions (PR21178)

[David Majnemer]

================
Comment at: lib/Sema/SemaStmtAsm.cpp:91-94
@@ +90,6 @@
+
+  for (Stmt *Child : E->children())
+    if (Expr *E = dyn_cast_or_null<Expr>(Child))
+      if (CheckNakedParmReference(E, S))
+        return true;
+
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Is it worth doing the recursion if we aren't inside a naked function?

http://reviews.llvm.org/D5640