Fix one more 'not all control paths return a value' MSVC warning

The warning was caused by r300539.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@300542 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 3 insertions, 1 deletions

diff --git a/lib/Parse/ParsePragma.cpp b/lib/Parse/ParsePragma.cpp
index aa915fa3ba..abddb6ba67 100644
--- a/lib/Parse/ParsePragma.cpp
+++ b/lib/Parse/ParsePragma.cpp
@@ -1014,6 +1014,8 @@ static bool isAbstractAttrMatcherRule(attr::SubjectMatchRule Rule) {
     return IsAbstract;
 #include "clang/Basic/AttrSubMatchRulesList.inc"
   }
+  llvm_unreachable("Invalid attribute subject match rule");
+  return false;
 }
 
 static void diagnoseExpectedAttributeSubjectSubRule(
diff --git a/utils/TableGen/ClangAttrEmitter.cpp b/utils/TableGen/ClangAttrEmitter.cpp
index 7aa8bdc781..65dbccde62 100644
--- a/utils/TableGen/ClangAttrEmitter.cpp
+++ b/utils/TableGen/ClangAttrEmitter.cpp
@@ -3168,7 +3168,7 @@ emitAttributeMatchRules(PragmaClangAttributeSupport &PragmaAttributeSupport,
     OS << ";\n";
   }
   OS << "  }\n";
-  OS << "  llvm_unreachable(\"Invalid match rule\");\n";
+  OS << "  llvm_unreachable(\"Invalid match rule\");\nreturn false;\n";
   OS << "}\n\n";
 }