commit 0f8bc97abd6dc531c07c62000e3e836265037382
author Douglas Gregor <dgregor@apple.com> Mon May 09 23:05:33 2011 +0000
committer Douglas Gregor <dgregor@apple.com> Mon May 09 23:05:33 2011 +0000
tree 79242cfdfa5d0cb3d51db05a17f41ef1b223d250
parent 16c9491f48f357cb55c2843f0bb368bcb6cf994c

Ignore const/volatile/restrict qualifiers on anonymous structs and
unions. Fixes PR8326.

llvm-svn: 131109

clang/lib/Sema/SemaDecl.cpp

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index cd6dc92..15f1681 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -2489,6 +2489,24 @@
                              PrevSpec, DiagID, getLangOptions());
     }
 
+    // Ignore const/volatile/restrict qualifiers.
+    if (DS.getTypeQualifiers()) {
+      if (DS.getTypeQualifiers() & DeclSpec::TQ_const)
+        Diag(DS.getConstSpecLoc(), diag::ext_anonymous_struct_union_qualified)
+          << Record->isUnion() << 0 
+          << FixItHint::CreateRemoval(DS.getConstSpecLoc());
+      if (DS.getTypeQualifiers() & DeclSpec::TQ_volatile)
+        Diag(DS.getVolatileSpecLoc(), diag::ext_anonymous_struct_union_qualified)
+          << Record->isUnion() << 1
+          << FixItHint::CreateRemoval(DS.getVolatileSpecLoc());
+      if (DS.getTypeQualifiers() & DeclSpec::TQ_restrict)
+        Diag(DS.getRestrictSpecLoc(), diag::ext_anonymous_struct_union_qualified)
+          << Record->isUnion() << 2 
+          << FixItHint::CreateRemoval(DS.getRestrictSpecLoc());
+
+      DS.ClearTypeQualifiers();
+    }
+
     // C++ [class.union]p2:
     //   The member-specification of an anonymous union shall only
     //   define non-static data members. [Note: nested types and