Remove compiler warning when building within LLVM trunk.

Clang doesn't realize that the end of method NaClBitstreamCursor::readArrayAbbreviatedField is unreachable. Add unreachable call to make the compiler happy. BUG=None R=stichnot@chromium.org Review URL: https://codereview.chromium.org/1963193003 .

Remove compiler warning when building within LLVM trunk.
1040d86c · Karl Schimpf · a5b16abf · 1040d86c
Commit 1040d86c authored May 12, 2016 by Karl Schimpf
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NaClBitstreamReader.cpp pnacl-llvm/NaClBitstreamReader.cpp +1 -0

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--- a/pnacl-llvm/NaClBitstreamReader.cpp
+++ b/pnacl-llvm/NaClBitstreamReader.cpp
@@ -188,6 +188,7 @@ uint64_t NaClBitstreamCursor::readArrayAbbreviatedField(
  case NaClBitCodeAbbrevOp::Char6:
    return NaClBitCodeAbbrevOp::DecodeChar6(Read(6));
  }
+  llvm_unreachable("Illegal abbreviation encoding for field!");
 }

 void NaClBitstreamCursor::readArrayAbbrev(