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; RUN: llvm-as < %s | llvm-dis > %t1.ll ; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll ; RUN: diff %t1.ll %t2.ll define i32 @foo() { br label %"foo`~!@#$%^&*()-_=+{}[]\\\\|;:',<.>/?" "foo`~!@#$%^&*()-_=+{}[]\\\\|;:',<.>/?": ; preds = %0 ret i32 17 }