This patch implements Sema for clause 13.3.3.1p4.

It has to do with vararg constructors used as conversion
functions. Code gen needs work. This is WIP.

llvm-svn: 86207

1 files changed, 8 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaOverload.h b/clang/lib/Sema/SemaOverload.h
index 898393a9e4d..0d1f37aa4be 100644
--- a/clang/lib/Sema/SemaOverload.h
+++ b/clang/lib/Sema/SemaOverload.h
@@ -156,6 +156,14 @@ namespace clang {
     ///   object parameter of the conversion function.
     StandardConversionSequence Before;
 
+    /// EllipsisConversion - When this is true, it means user-defined
+    /// conversion sequence starts with a ... (elipsis) conversion, instead of 
+    /// a standard conversion. In this case, 'Before' field must be ignored.
+    // FIXME. I much rather put this as the first field. But there seems to be
+    // a gcc code gen. bug which causes a crash in a test. Putting it here seems
+    // to work around the crash.
+    bool EllipsisConversion : 1;
+    
     /// After - Represents the standard conversion that occurs after
     /// the actual user-defined conversion.
     StandardConversionSequence After;