Add a missing case for default constructor deletion.

This case is tested by the fact that the modified test produces
significatly worse diagnostics. That's on the list.

llvm-svn: 131759

1 files changed, 5 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 90c840ba7fa..4fc9bf1fdd5 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -3433,6 +3433,11 @@ bool Sema::ShouldDeleteDefaultConstructor(CXXConstructorDecl *CD) {
         // This is technically non-conformant, but sanity demands it.
         continue;
       }
+    } else if (!Union && FieldType.isConstQualified()) {
+      // -- any non-variant non-static data member of const-qualified type (or
+      //    array thereof) with no brace-or-equal-initializer does not have a
+      //    user-provided default constructor
+      return true;
     }
 
     InitializedEntity MemberEntity =