Ignore __aligned__ with zero arguments in addition to __aligned__ with

one argument.  Lets stuff using pthread.h compile.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46559 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 3 deletions

diff --git a/Sema/SemaDecl.cpp b/Sema/SemaDecl.cpp
index 68177e03c8..40622d5d3e 100644
--- a/Sema/SemaDecl.cpp
+++ b/Sema/SemaDecl.cpp
@@ -1863,13 +1863,16 @@ QualType Sema::HandleVectorTypeAttribute(QualType curType,
 void Sema::HandleAlignedAttribute(Decl *d, AttributeList *rawAttr)
 {
   // check the attribute arguments.
-  // FIXME: Handle the case where are no arguments.
-  if (rawAttr->getNumArgs() != 1) {
+  if (rawAttr->getNumArgs() > 1) {
     Diag(rawAttr->getAttributeLoc(), diag::err_attribute_wrong_number_arguments,
          std::string("1"));
     return;
   }
-  
+
+  // We probably need to actually do something with this at some point...
+  if (rawAttr->getNumArgs() == 0)
+    return;
+
   Expr *alignmentExpr = static_cast<Expr *>(rawAttr->getArg(0));
   llvm::APSInt alignment(32);
   if (!alignmentExpr->isIntegerConstantExpr(alignment, Context)) {