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02c39fa277
No need to emit a DW_LNS_advance_pc with a 0 increment. Found out while comparing dsymutil's and LLVM's line table encoding. Not a correctenss fix, just a small encoding size optimization. I'm not sure how to generate a sequence that triggers this, and moreover llvm-dwardump doesn't dump the line table program, thus the effort involved in creating a testcase for this trivial patch seemed out of proportion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232332 91177308-0d34-0410-b5e6-96231b3b80d8