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diff --git a/test/Assembler/alias-redefinition.ll b/test/Assembler/alias-redefinition.ll
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+; RUN: not llvm-as %s 2>&1 | FileCheck %s
+
+; CHECK: error: redefinition of global named '@bar'
+
+@foo = global i32 0
+@bar = alias i32* @foo
+@bar = alias i32* @foo