commit fae03d8add5d92e21affd8abc455bcd4df3389f8
author Duncan P. N. Exon Smith <dexonsmith@apple.com> Sun Mar 03 20:17:53 2019 +0000
committer Duncan P. N. Exon Smith <dexonsmith@apple.com> Sun Mar 03 20:17:53 2019 +0000
tree 68820eebad7c284b843b39627b00f64bc8423554
parent e076491759b3b4dc3a34e231781d1871ea74b3fb

Modules: Document that ReadASTCore exits its final loop via `return`, NFC

The final loop never breaks.  Document that by following it with
llvm_unreachable.

llvm-svn: 355294

clang/lib/Serialization/ASTReader.cpp

diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 9626418..5ad2160 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -4257,7 +4257,7 @@
     }
   }
 
-  return Success;
+  llvm_unreachable("unexpected break; expected return");
 }
 
 ASTReader::ASTReadResult