Don't crash when binding a reference to a temporary pointer created from

resolving an overloaded function reference within an initializer list.
Previously we would try to resolve the overloaded function reference without
first stripping off the InitListExpr wrapper.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172517 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index 94dd2aa45c7f953bbda66f6fa51bf9af61d2d20e..26bb6efb8e05779b485c329dc76be7033d4aab0c 100644 (file)
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -3024,6 +3024,10 @@ static void TryReferenceListInitialization(Sema &S,
         Sequence.RewrapReferenceInitList(cv1T1, InitList);
       return;
     }
+
+    // Update the initializer if we've resolved an overloaded function.
+    if (Sequence.step_begin() != Sequence.step_end())
+      Sequence.RewrapReferenceInitList(cv1T1, InitList);
   }
 
   // Not reference-related. Create a temporary and bind to that.

diff --git a/test/SemaCXX/cxx0x-initializer-references.cpp b/test/SemaCXX/cxx0x-initializer-references.cpp
index c4e9c907a37a3f095e3ce915a4bacc46aa33101b..283c32ac2efca8d3c0f4aa8cfd2dca6eda985ee5 100644 (file)
--- a/test/SemaCXX/cxx0x-initializer-references.cpp
+++ b/test/SemaCXX/cxx0x-initializer-references.cpp
@@ -90,3 +90,10 @@ namespace PR12660 {
   const int &i { 1 };
   struct S { S(int); } const &s { 2 };
 }
+
+namespace b7891773 {
+  typedef void (*ptr)();
+  template <class T> void f();
+  int g(const ptr &);
+  int k = g({ f<int> });
+}