[PATCH] [lld][ARM] Handle mapping symbols

[Meador Inge]

Otherwise, LGTM.


================
Comment at: lib/ReaderWriter/ELF/ARM/ARMELFFile.h:33
@@ +32,3 @@
+                             contentData, referenceStart, referenceEnd,
+                             referenceList) {}
+
----------------
Should we inherit constructors here like Rui just proposed with D8612?

http://reviews.llvm.org/D8601

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