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diff --git a/gcc/testsuite/objc.dg/pr48177.m b/gcc/testsuite/objc.dg/pr48177.m
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+++ b/gcc/testsuite/objc.dg/pr48177.m
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+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, May 2011.  */
+/* { dg-do run } */
+/* { dg-skip-if "No API#2 pre-Darwin9" { *-*-darwin[5-8]* } { "-fnext-runtime" } { "" } } */
+
+#include <objc/runtime.h>
+#include <stdlib.h>
+
+int main(int argc, void **args)
+{
+#ifdef __GNU_LIBOBJC__
+  /* This special test tests that, if you have a selector already
+     registered in the runtime with full type information, you can use
+     sel_registerTypedName() to get it even if you specify the type
+     with incorrect argframe information.  This is helpful as
+     selectors generated by the compiler (which have correct argframe
+     information) are usually registered before hand-written ones
+     (which often have incorrect argframe information, but need the
+     correct one).
+
+     Note that in this hand-written test, even the type information of
+     the first selector may be wrong (on this machine); but that's OK
+     as we'll never actually use the selectors.  */
+  SEL selector1 = sel_registerTypedName ("testMethod", "i8@0:4");
+  SEL selector2 = sel_registerTypedName ("testMethod", "i8@8:8");
+  
+  /* We compare the selectors using ==, not using sel_isEqual().  This
+     is because we are testing internals of the runtime and we know
+     that in the current implementation they should be identical if
+     the stuff is to work as expected.  Don't do this at home.  */
+  if (selector1 != selector2)
+    abort ();
+#endif
+
+  return 0;
+}