diff options
| -rw-r--r-- | lib/Sema/SemaDecl.cpp | 3 | ||||
| -rw-r--r-- | test/Sema/struct-packed-align.c | 7 |
2 files changed, 9 insertions, 1 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp index 373727a5d8..9a7d692c97 100644 --- a/lib/Sema/SemaDecl.cpp +++ b/lib/Sema/SemaDecl.cpp @@ -2183,7 +2183,8 @@ void Sema::HandlePackedAttribute(Decl *d, AttributeList *rawAttr) { else if (FieldDecl *FD = dyn_cast<FieldDecl>(d)) { // If the alignment is less than or equal to 8 bits, the packed attribute // has no effect. - if (Context.getTypeAlign(FD->getType()) <= 8) + if (!FD->getType()->isIncompleteType() && + Context.getTypeAlign(FD->getType()) <= 8) Diag(rawAttr->getLoc(), diag::warn_attribute_ignored_for_field_of_type, rawAttr->getName()->getName(), FD->getType().getAsString()); diff --git a/test/Sema/struct-packed-align.c b/test/Sema/struct-packed-align.c index f718343563..f759e37a1d 100644 --- a/test/Sema/struct-packed-align.c +++ b/test/Sema/struct-packed-align.c @@ -62,3 +62,10 @@ struct __attribute__((packed)) as3 { extern int g1[sizeof(struct as3) == 16 ? 1 : -1]; extern int g2[__alignof(struct as3) == 8 ? 1 : -1]; + + +// rdar://5921025 +struct packedtest { + int ted_likes_cheese; + void *args[] __attribute__((packed)); +}; |