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, 8 insertions, 1 deletions

diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 9af269eaf3..2e2eea3e31 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -154,7 +154,9 @@ public:
   Value *VisitShuffleVectorExpr(ShuffleVectorExpr *E);
   Value *VisitMemberExpr(Expr *E)           { return EmitLoadOfLValue(E); }
   Value *VisitExtVectorElementExpr(Expr *E) { return EmitLoadOfLValue(E); }
-  Value *VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { return EmitLoadOfLValue(E); }
+  Value *VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
+    return EmitLoadOfLValue(E);
+  }
   Value *VisitStringLiteral(Expr *E)  { return EmitLValue(E).getAddress(); }
   Value *VisitPredefinedExpr(Expr *E) { return EmitLValue(E).getAddress(); }
 
@@ -168,6 +170,11 @@ public:
     if (!VType) 
       return Visit(E->getInit(0));
     
+    if (E->hadDesignators()) {
+      CGF.ErrorUnsupported(E, "initializer list with designators");
+      return llvm::UndefValue::get(CGF.ConvertType(E->getType()));
+    }
+    
     unsigned NumVectorElements = VType->getNumElements();
     const llvm::Type *ElementType = VType->getElementType();