Add sanity check in Clang TableGen backend to check if 'Component' is a string.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67565 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/ClangDiagnosticsEmitter.cpp b/utils/TableGen/ClangDiagnosticsEmitter.cpp
index 0f93a4fb1001ca8a57079e2ba1fe16e8ba460e8a..38bbf8eee6ccb5f56e0bf03124ca69efbb647e44 100644 (file)
--- a/utils/TableGen/ClangDiagnosticsEmitter.cpp
+++ b/utils/TableGen/ClangDiagnosticsEmitter.cpp
@@ -113,7 +113,7 @@ void ClangDiagsDefsEmitter::run(std::ostream &OS) {
         continue;
 
       const StringInit* SV = dynamic_cast<const StringInit*>(V->getValue());
-      if (SV->getValue() != Component)
+      if (!SV || SV->getValue() != Component)
         continue;
     }