Thread a source location into the template-argument deduction routines. There

may be some other places that could take advantage of this new information,
but I haven't really looked yet.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95600 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 4 deletions

diff --git a/lib/Sema/SemaCodeComplete.cpp b/lib/Sema/SemaCodeComplete.cpp
index 7219e31649..a862949718 100644
--- a/lib/Sema/SemaCodeComplete.cpp
+++ b/lib/Sema/SemaCodeComplete.cpp
@@ -2196,13 +2196,15 @@ void Sema::CodeCompleteCase(Scope *S) {
 namespace {
   struct IsBetterOverloadCandidate {
     Sema &S;
+    SourceLocation Loc;
     
   public:
-    explicit IsBetterOverloadCandidate(Sema &S) : S(S) { }
+    explicit IsBetterOverloadCandidate(Sema &S, SourceLocation Loc)
+      : S(S), Loc(Loc) { }
     
     bool 
     operator()(const OverloadCandidate &X, const OverloadCandidate &Y) const {
-      return S.isBetterOverloadCandidate(X, Y);
+      return S.isBetterOverloadCandidate(X, Y, Loc);
     }
   };
 }
@@ -2228,7 +2230,8 @@ void Sema::CodeCompleteCall(Scope *S, ExprTy *FnIn,
   }
 
   // Build an overload candidate set based on the functions we find.
-  OverloadCandidateSet CandidateSet;
+  SourceLocation Loc = Fn->getExprLoc();
+  OverloadCandidateSet CandidateSet(Loc);
 
   // FIXME: What if we're calling something that isn't a function declaration?
   // FIXME: What if we're calling a pseudo-destructor?
@@ -2256,7 +2259,7 @@ void Sema::CodeCompleteCall(Scope *S, ExprTy *FnIn,
   if (!CandidateSet.empty()) {
     // Sort the overload candidate set by placing the best overloads first.
     std::stable_sort(CandidateSet.begin(), CandidateSet.end(),
-                     IsBetterOverloadCandidate(*this));
+                     IsBetterOverloadCandidate(*this, Loc));
   
     // Add the remaining viable overload candidates as code-completion reslults.
     for (OverloadCandidateSet::iterator Cand = CandidateSet.begin(),