Since we miscompile many cases when declaring a variable with a reference type, make them unsupported for now.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72034 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/CodeGen/CGDecl.cpp b/lib/CodeGen/CGDecl.cpp
index 9de722e19d..e0ceaf6a2a 100644
--- a/lib/CodeGen/CGDecl.cpp
+++ b/lib/CodeGen/CGDecl.cpp
@@ -126,6 +126,11 @@ void CodeGenFunction::EmitStaticBlockVarDecl(const VarDecl &D) {
   if (D.getType()->isVariablyModifiedType())
     EmitVLASize(D.getType());
 
+  if (D.getType()->isReferenceType()) {
+    CGM.ErrorUnsupported(&D, "static declaration with reference type");
+    return;
+  }
+
   if (D.getInit()) {
     llvm::Constant *Init = CGM.EmitConstantExpr(D.getInit(), D.getType(), this);
 
@@ -324,6 +329,11 @@ void CodeGenFunction::EmitLocalBlockVarDecl(const VarDecl &D) {
       DI->EmitDeclareOfAutoVariable(&D, DeclPtr, Builder);
   }
 
+  if (D.getType()->isReferenceType()) {
+    CGM.ErrorUnsupported(&D, "declaration with reference type");
+    return;
+  }
+  
   // If this local has an initializer, emit it now.
   if (const Expr *Init = D.getInit()) {
     llvm::Value *Loc = DeclPtr;