Fix some GCC warnings by providing a virtual destructor in the base of a class

hierarchy with virtual methods and using llvm_unreachable to properly indicate
unreachable states which would otherwise leave variables uninitialized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111803 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 0 deletions

diff --git a/utils/TableGen/ClangAttrEmitter.cpp b/utils/TableGen/ClangAttrEmitter.cpp
index ee606e0e50..74ff668426 100644
--- a/utils/TableGen/ClangAttrEmitter.cpp
+++ b/utils/TableGen/ClangAttrEmitter.cpp
@@ -71,6 +71,7 @@ namespace {
         upperName[0] = std::toupper(upperName[0]);
       }
     }
+    virtual ~Argument() {}
 
     StringRef getLowerName() const { return lowerName; }
     StringRef getUpperName() const { return upperName; }