__attribute__((aligned)) was being ignored!

This knocks out another 8 gcc/compat/i386 & x86_64 failures.

llvm-svn: 64947

2 files changed, 10 insertions, 1 deletions

diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
index a385d97f680..614e53a751a 100644
--- a/clang/lib/Sema/SemaDeclAttr.cpp
+++ b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -1177,8 +1177,9 @@ static void HandleAlignedAttr(Decl *d, const AttributeList &Attr, Sema &S) {
   unsigned Align = 0;
   if (Attr.getNumArgs() == 0) {
     // FIXME: This should be the target specific maximum alignment.
-    // (For now we just use 128 bits which is the maximum on X86.
+    // (For now we just use 128 bits which is the maximum on X86).
     Align = 128;
+    d->addAttr(new AlignedAttr(Align));
     return;
   }
   
diff --git a/clang/test/Sema/struct-packed-align.c b/clang/test/Sema/struct-packed-align.c
index 8173f0f2827..2b5a889580f 100644
--- a/clang/test/Sema/struct-packed-align.c
+++ b/clang/test/Sema/struct-packed-align.c
@@ -46,6 +46,14 @@ struct __attribute__((aligned(8))) as1 {
 extern int e1[sizeof(struct as1) == 8 ? 1 : -1];
 extern int e2[__alignof(struct as1) == 8 ? 1 : -1];
 
+// FIXME: Will need to force arch once max usable alignment isn't hard
+// coded.
+struct __attribute__((aligned)) as1_2 {
+    char c;
+};
+extern int e1_2[sizeof(struct as1_2) == 16 ? 1 : -1];
+extern int e2_2[__alignof(struct as1_2) == 16 ? 1 : -1];
+
 struct as2 {
     char c;
     int __attribute__((aligned(8))) a;