[PATCH] D46304: [MC] Add llvm_unreachable to toString to fix compile time warning.

[Florian Hahn via Phabricator via llvm-commits]

fhahn created this revision.
fhahn added a reviewer: sbc100.
Herald added a subscriber: aheejin.

Without this change, GCC 7 raises the warning below:

  control reaches end of non-void function 


https://reviews.llvm.org/D46304

Files:
  lib/MC/WasmObjectWriter.cpp


Index: lib/MC/WasmObjectWriter.cpp
===================================================================
--- lib/MC/WasmObjectWriter.cpp
+++ lib/MC/WasmObjectWriter.cpp
@@ -48,6 +48,7 @@
   case wasm::WASM_SYMBOL_TYPE_SECTION:
     return "WASM_SYMBOL_TYPE_SECTION";
   }
+  llvm_unreachable("unknown symbol type");
 }
 
 static std::string relocTypetoString(uint32_t type) {


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