When emitting compund literal of vla pointer elements, make

sure to emit vla size to prevent an irgen crash.
// rdar://11485774


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158153 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 190855d3a0..5d1890635e 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -2114,7 +2114,11 @@ LValue CodeGenFunction::EmitCompoundLiteralLValue(const CompoundLiteralExpr *E){
     llvm::Value *GlobalPtr = CGM.GetAddrOfConstantCompoundLiteral(E);
     return MakeAddrLValue(GlobalPtr, E->getType());
   }
-
+  if (const PointerType *pointerType = E->getType()->getAs<PointerType>())
+    if (pointerType->getPointeeType()->isVariableArrayType())
+      // make sure to emit the VLA size.
+    EmitVariablyModifiedType(pointerType->getPointeeType());
+  
   llvm::Value *DeclPtr = CreateMemTemp(E->getType(), ".compoundliteral");
   const Expr *InitExpr = E->getInitializer();
   LValue Result = MakeAddrLValue(DeclPtr, E->getType());