[llvm] c0dac02 - [Bitcode] Fix -Wswitch after c5ec8890c95bf9f56beff285efbcc7b797ffb15a

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2020-03-03T10:02:34-08:00
New Revision: c0dac0221dd6fb7ebbd21cdc2ea72022e0152545

URL: https://github.com/llvm/llvm-project/commit/c0dac0221dd6fb7ebbd21cdc2ea72022e0152545
DIFF: https://github.com/llvm/llvm-project/commit/c0dac0221dd6fb7ebbd21cdc2ea72022e0152545.diff

LOG: [Bitcode] Fix -Wswitch after c5ec8890c95bf9f56beff285efbcc7b797ffb15a

Added: 
    

Modified: 
    llvm/lib/Bitcode/Writer/BitcodeWriter.cpp

Removed: 
    


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diff  --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index f2ee1fd930a8..0d3a98b90921 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -730,6 +730,9 @@ static uint64_t getAttrKindEncoding(Attribute::AttrKind Kind) {
     llvm_unreachable("Can not encode end-attribute kinds marker.");
   case Attribute::None:
     llvm_unreachable("Can not encode none-attribute.");
+  case Attribute::EmptyKey:
+  case Attribute::TombstoneKey:
+    llvm_unreachable("Trying to encode EmptyKey/TombstoneKey");
   }
 
   llvm_unreachable("Trying to encode unknown attribute");