[dsymutil] Emit valid debug locations when no symbol flags are set
Summary:
swiftc emits symbols without flags set, which led dsymutil to ignore
them when searching for global symbols, causing dwarf location data
to be omitted. Xcode's dsymutil handles this case correctly, and emits
valid location data. Add this functionality to llvm-dsymutil by
allowing parsing of symbols with no flags set.
Reviewers: aprantl, friss, JDevlieghere
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D38587
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315082
91177308-0d34-0410-b5e6-
96231b3b80d8
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