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+; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+
+; Test forward references and redefinitions of globals
+
+@A = global i17* @B
+@B = global i17 7
+
+declare void @X()
+
+declare void @X()
+
+define void @X() {
+ ret void
+}
+
+declare void @X()