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};
            ^~~~~~~~~~~~~~~~~



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58220 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 1 deletions

diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp
index 9041c17671..e81a64ffa5 100644
--- a/lib/CodeGen/CGExprAgg.cpp
+++ b/lib/CodeGen/CGExprAgg.cpp
@@ -263,7 +263,11 @@ void AggExprEmitter::VisitVAArgExpr(VAArgExpr *VE) {
 }
 
 void AggExprEmitter::EmitNonConstInit(InitListExpr *E) {
-
+  if (E->hadDesignators()) {
+    CGF.ErrorUnsupported(E, "initializer list with designators");
+    return;
+  }
+  
   const llvm::PointerType *APType =
     cast<llvm::PointerType>(DestPtr->getType());
   const llvm::Type *DestType = APType->getElementType();
@@ -334,6 +338,11 @@ void AggExprEmitter::EmitNullInitializationToLValue(LValue LV, QualType T) {
 }
 
 void AggExprEmitter::VisitInitListExpr(InitListExpr *E) {
+  if (E->hadDesignators()) {
+    CGF.ErrorUnsupported(E, "initializer list with designators");
+    return;
+  }
+  
   // FIXME: For constant expressions, call into const expr emitter so
   // that we can emit a memcpy instead of storing the individual
   // members.  This is purely for perf; both codepaths lead to