1 files changed, 10 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaCast.cpp b/clang/lib/Sema/SemaCast.cpp
index d87be3b0aeb..5099867b199 100644
--- a/clang/lib/Sema/SemaCast.cpp
+++ b/clang/lib/Sema/SemaCast.cpp
@@ -2236,6 +2236,16 @@ void CastOperation::CheckCStyleCast() {
     return;
   }
 
+  // Overloads are allowed with C extensions, so we need to support them.
+  if (SrcExpr.get()->getType() == Self.Context.OverloadTy) {
+    DeclAccessPair DAP;
+    if (FunctionDecl *FD = Self.ResolveAddressOfOverloadedFunction(
+            SrcExpr.get(), DestType, /*Complain=*/true, DAP))
+      SrcExpr = Self.FixOverloadedFunctionReference(SrcExpr.get(), DAP, FD);
+    else
+      return;
+    assert(SrcExpr.isUsable());
+  }
   SrcExpr = Self.DefaultFunctionArrayLvalueConversion(SrcExpr.get());
   if (SrcExpr.isInvalid())
     return;