make codegen reject initializes with designators, like this:

t.c:1:13: error: cannot codegen this designators yet
int a[10] = {2, 4, [8]=9, 10};
            ^~~~~~~~~~~~~~~~~

llvm-svn: 58220

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGExprConstant.cpp b/clang/lib/CodeGen/CGExprConstant.cpp
index 5fc513d125c..89b34e611ba 100644
--- a/clang/lib/CodeGen/CGExprConstant.cpp
+++ b/clang/lib/CodeGen/CGExprConstant.cpp
@@ -315,6 +315,12 @@ public:
       const llvm::Type* RetTy = CGM.getTypes().ConvertType(ILE->getType());
       return llvm::Constant::getNullValue(RetTy);
     }
+    
+    // FIXME: We don't codegen or sema designators yet.
+    if (ILE->hadDesignators()) {
+      CGM.ErrorUnsupported(ILE, "initializer list with designators");
+      return llvm::UndefValue::get(ConvertType(ILE->getType()));
+    }
 
     if (ILE->getType()->isArrayType())
       return EmitArrayInitialization(ILE);