Work around MSVC's lack of support for unrestricted unions by making this

struct a bit bigger under MSVC (this shouldn't be a big deal; we typically
allocate no more than two of these at a time, on the stack).

llvm-svn: 276509

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/include/clang/Sema/DeclSpec.h b/clang/include/clang/Sema/DeclSpec.h
index d48a1c2420c..0c6514fc694 100644
--- a/clang/include/clang/Sema/DeclSpec.h
+++ b/clang/include/clang/Sema/DeclSpec.h
@@ -1752,13 +1752,17 @@ private:
   /// \brief The asm label, if specified.
   Expr *AsmLabel;
 
+#ifndef _MSC_VER
   union {
+#endif
     /// InlineParams - This is a local array used for the first function decl
     /// chunk to avoid going to the heap for the common case when we have one
     /// function chunk in the declarator.
     DeclaratorChunk::ParamInfo InlineParams[16];
     DecompositionDeclarator::Binding InlineBindings[16];
+#ifndef _MSC_VER
   };
+#endif
 
   /// \brief If this is the second or subsequent declarator in this declaration,
   /// the location of the comma before this declarator.