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

2 files changed, 11 insertions, 0 deletions

diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index 94dd2aa45c..26bb6efb8e 100644
--- 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 c4e9c907a3..283c32ac2e 100644
--- 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> });
+}