[DAGCombiner] Add target hook function to decide folding (mul (add x, c1), c2)

[llvm-project.git] / llvm / test / MC / ELF / common-error1.s

// RUN: not llvm-mc -filetype=obj -triple x86_64-pc-linux < %s 2>&1 | FileCheck %s

        .comm   C,4,4
        .set    A,C

// CHECK: Common symbol 'C' cannot be used in assignment expr