When instantiating anonymous structs/unions within a function, make

sure that the anonymous struct/union record declaration gets
instantiated before the variable declaration, and that it and its
fields (recursively) get entries in the local instantiation map. Fixes
PR7088.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104305 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 18 insertions, 0 deletions

diff --git a/test/SemaTemplate/instantiate-anonymous-union.cpp b/test/SemaTemplate/instantiate-anonymous-union.cpp
index 7c75885788..255454b2eb 100644
--- a/test/SemaTemplate/instantiate-anonymous-union.cpp
+++ b/test/SemaTemplate/instantiate-anonymous-union.cpp
@@ -29,3 +29,21 @@ template <typename T> struct C {
 };
 
 C<int> c0(0);
+
+namespace PR7088 {
+  template<typename T>
+  void f() { 
+    union { 
+      int a; 
+      union {
+        float real;
+        T d;
+      };
+    }; 
+
+    a = 17;
+    d = 3.14;
+  }
+
+  template void f<double>();
+}