Add description to assert

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227291 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index f636142a7edef5312fd1fcba2985c9d8df6d722f..07959a5a8363cedd58835fe08a834880249dc234 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -627,7 +627,7 @@ static uint64_t getBaseTypeSize(DwarfDebug *DD, DIDerivedType Ty) {
 
   DIType BaseType = DD->resolve(Ty.getTypeDerivedFrom());
 
-  assert(BaseType.isValid());
+  assert(BaseType.isValid() && "Unexpected invalid base type");
 
   // If this is a derived type, go ahead and get the base type, unless it's a
   // reference then it's just the size of the field. Pointer types have no need