Skip compilation of dead code from duplicate methods

Change-Id: If6114b3cd8e9a2d9a901dc93c352cee6afa3361f
diff --git a/src/utils.h b/src/utils.h
index 8e19ced..a26358a 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -172,6 +172,7 @@
 // Returns a human-readable signature for 'f'. Something like "a.b.C.f" or
 // "int a.b.C.f" (depending on the value of 'with_type').
 std::string PrettyField(const Field* f, bool with_type = true);
+std::string PrettyField(uint32_t field_idx, const DexFile& dex_file, bool with_type = true);
 
 // Returns a human-readable signature for 'm'. Something like "a.b.C.m" or
 // "a.b.C.m(II)V" (depending on the value of 'with_signature').