Switch assert(0/false) llvm_unreachable.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140367 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaCodeComplete.cpp b/lib/Sema/SemaCodeComplete.cpp
index 5b44841..166e165 100644
--- a/lib/Sema/SemaCodeComplete.cpp
+++ b/lib/Sema/SemaCodeComplete.cpp
@@ -3400,7 +3400,7 @@
     break;
     
   default:
-    assert(false && "Unknown type specifier kind in CodeCompleteTag");
+    llvm_unreachable("Unknown type specifier kind in CodeCompleteTag");
     return;
   }