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+; The linker should merge link-once globals into strong external globals,
+; just like it does for weak symbols!
+
+; RUN: echo "%X = global int 7" | llvm-upgrade | llvm-as > %t.2.bc
+; RUN: llvm-upgrade < %s | llvm-as > %t.1.bc
+; RUN: llvm-link %t.[12].bc
+
+%X = linkonce global int 7
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