Move Sema::PerformImplicitConversion over to where Sema::TryImplicitConversion is, for my own sanity. No functionality change

llvm-svn: 101554
diff --git a/clang/lib/Sema/SemaOverload.cpp b/clang/lib/Sema/SemaOverload.cpp
index ca8d135..3d1fa43 100644
--- a/clang/lib/Sema/SemaOverload.cpp
+++ b/clang/lib/Sema/SemaOverload.cpp
@@ -514,6 +514,30 @@
   return ICS;
 }
 
+/// PerformImplicitConversion - Perform an implicit conversion of the
+/// expression From to the type ToType. Returns true if there was an
+/// error, false otherwise. The expression From is replaced with the
+/// converted expression. Flavor is the kind of conversion we're
+/// performing, used in the error message. If @p AllowExplicit,
+/// explicit user-defined conversions are permitted.
+bool
+Sema::PerformImplicitConversion(Expr *&From, QualType ToType,
+                                AssignmentAction Action, bool AllowExplicit) {
+  ImplicitConversionSequence ICS;
+  return PerformImplicitConversion(From, ToType, Action, AllowExplicit, ICS);
+}
+
+bool
+Sema::PerformImplicitConversion(Expr *&From, QualType ToType,
+                                AssignmentAction Action, bool AllowExplicit,
+                                ImplicitConversionSequence& ICS) {
+  ICS = TryImplicitConversion(From, ToType,
+                              /*SuppressUserConversions=*/false,
+                              AllowExplicit,
+                              /*InOverloadResolution=*/false);
+  return PerformImplicitConversion(From, ToType, ICS, Action);
+}
+  
 /// \brief Determine whether the conversion from FromType to ToType is a valid 
 /// conversion that strips "noreturn" off the nested function type.
 static bool IsNoReturnConversion(ASTContext &Context, QualType FromType,