Make it possible to get an empty struct using

the new StructType::get method.  The second NULL
is to pacify the gcc warning mechanism.  This
patch compiles but is otherwise untested.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48645 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp
index 4554826..829923e 100644
--- a/lib/VMCore/Type.cpp
+++ b/lib/VMCore/Type.cpp
@@ -1252,9 +1252,10 @@ StructType *StructType::get(const Type *type, ...) {
   va_list ap;
   std::vector<const llvm::Type*> StructFields;
   va_start(ap, type);
-  do {
+  while (type) {
     StructFields.push_back(type);
-  } while ((type = va_arg(ap, llvm::Type*)));
+    type = va_arg(ap, llvm::Type*);
+  }
   return llvm::StructType::get(StructFields);
 }