More anonymous struct/union redesign. This one deals with anonymous field used in a constructor initializer list:

struct X {
  X() : au_i1(123) {}
  union {
    int au_i1;
    float au_f1;
  };
};

clang will now deal with au_i1 explicitly as an IndirectFieldDecl.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120900 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 15 insertions, 10 deletions

diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index e299be9879..5b50d0d172 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -2341,22 +2341,27 @@ Sema::InstantiateMemInitializers(CXXConstructorDecl *New,
                                      Init->getRParenLoc(),
                                      New->getParent());
     } else if (Init->isMemberInitializer()) {
-      FieldDecl *Member;
-
-      // Is this an anonymous union?
-      if (FieldDecl *UnionInit = Init->getAnonUnionMember())
-        Member = cast<FieldDecl>(FindInstantiatedDecl(Init->getMemberLocation(),
-                                                      UnionInit, TemplateArgs));
-      else
-        Member = cast<FieldDecl>(FindInstantiatedDecl(Init->getMemberLocation(),
-                                                      Init->getMember(),
-                                                      TemplateArgs));
+      FieldDecl *Member = cast<FieldDecl>(FindInstantiatedDecl(
+                                                     Init->getMemberLocation(),
+                                                     Init->getMember(),
+                                                     TemplateArgs));
 
       NewInit = BuildMemberInitializer(Member, (Expr **)NewArgs.data(),
                                        NewArgs.size(),
                                        Init->getSourceLocation(),
                                        Init->getLParenLoc(),
                                        Init->getRParenLoc());
+    } else if (Init->isIndirectMemberInitializer()) {
+      IndirectFieldDecl *IndirectMember =
+         cast<IndirectFieldDecl>(FindInstantiatedDecl(
+                                 Init->getMemberLocation(),
+                                 Init->getIndirectMember(), TemplateArgs));
+
+      NewInit = BuildMemberInitializer(IndirectMember, (Expr **)NewArgs.data(),
+                                       NewArgs.size(),
+                                       Init->getSourceLocation(),
+                                       Init->getLParenLoc(),
+                                       Init->getRParenLoc());
     }
 
     if (NewInit.isInvalid()) {