[dsymutil] constify trivial function.
llvm-svn: 229180
diff --git a/llvm/tools/dsymutil/DwarfLinker.cpp b/llvm/tools/dsymutil/DwarfLinker.cpp
index 7a148e2..be6fb3ad 100644
--- a/llvm/tools/dsymutil/DwarfLinker.cpp
+++ b/llvm/tools/dsymutil/DwarfLinker.cpp
@@ -34,7 +34,7 @@
Info.resize(OrigUnit.getNumDIEs());
}
- DWARFUnit &getOrigUnit() { return OrigUnit; }
+ DWARFUnit &getOrigUnit() const { return OrigUnit; }
DIEInfo &getInfo(unsigned Idx) { return Info[Idx]; }
const DIEInfo &getInfo(unsigned Idx) const { return Info[Idx]; }