[PATCH] D46971: [DWARF] Get RA from RA register even if it appears unused

[whitequark via Phabricator via cfe-commits]

whitequark updated this revision to Diff 147153.
whitequark added a comment.

Reuploaded diff with context.


Repository:
  rUNW libunwind

https://reviews.llvm.org/D46971

Files:
  src/DwarfInstructions.hpp


Index: src/DwarfInstructions.hpp
===================================================================
--- src/DwarfInstructions.hpp
+++ src/DwarfInstructions.hpp
@@ -192,6 +192,8 @@
           else
             return UNW_EBADREG;
         }
+        else if (i == (int)cieInfo.returnAddressRegister)
+          returnAddress = registers.getRegister(i);
       }
 
       // By definition, the CFA is the stack pointer at the call site, so


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