add a comment about something that was surprising, at least to me.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52771 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index cdcdeba..86d3ef4 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -2353,6 +2353,9 @@
// Ignore this, this is a type attribute, handled by ProcessTypeAttributes.
break;
case AttributeList::AT_mode:
+ // Despite what would be logical, the mode attribute is a decl attribute,
+ // not a type attribute: 'int ** __attribute((mode(HI))) *G;' tries to make
+ // 'G' be HImode, not an intermediate pointer.
if (TypedefDecl *tDecl = dyn_cast<TypedefDecl>(New)) {
QualType newType = HandleModeTypeAttribute(tDecl->getUnderlyingType(),
Attr);