This patch addresses a few issues related to 8.5.3 [dcl.init.ref]

It uses a recent API to find inherited conversion functions to do
the initializer to reference lvalue conversion (and removes a FIXME).
It issues the ambiguity diagnostics when multiple conversions are found.
WIP.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82649 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 79909b557d..f500e132de 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -996,6 +996,15 @@ Sema::PerformImplicitConversion(Expr *&From, QualType ToType,
                                 const char *Flavor, bool AllowExplicit,
                                 bool Elidable) {
   ImplicitConversionSequence ICS;
+  return PerformImplicitConversion(From, ToType, Flavor, AllowExplicit, 
+                                   Elidable, ICS);
+}
+
+bool
+Sema::PerformImplicitConversion(Expr *&From, QualType ToType,
+                                const char *Flavor, bool AllowExplicit,
+                                bool Elidable,
+                                ImplicitConversionSequence& ICS) {
   ICS.ConversionKind = ImplicitConversionSequence::BadConversion;
   if (Elidable && getLangOptions().CPlusPlus0x) {
     ICS = TryImplicitConversion(From, ToType,