diff options
Diffstat (limited to 'lib/CodeGen/CGBlocks.cpp')
-rw-r--r-- | lib/CodeGen/CGBlocks.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/CodeGen/CGBlocks.cpp b/lib/CodeGen/CGBlocks.cpp index bdbc9d3b55..1a7abd242a 100644 --- a/lib/CodeGen/CGBlocks.cpp +++ b/lib/CodeGen/CGBlocks.cpp @@ -583,10 +583,18 @@ llvm::Value *CodeGenFunction::EmitBlockLiteral(const BlockExpr *blockExpr) { // Otherwise, fake up a POD copy into the block field. } else { - DeclRefExpr declRef(const_cast<VarDecl*>(variable), type, VK_LValue, - SourceLocation()); + // We use one of these or the other depending on whether the + // reference is nested. + DeclRefExpr notNested(const_cast<VarDecl*>(variable), type, VK_LValue, + SourceLocation()); + BlockDeclRefExpr nested(const_cast<VarDecl*>(variable), type, + VK_LValue, SourceLocation(), /*byref*/ false); + + Expr *declRef = + (ci->isNested() ? static_cast<Expr*>(&nested) : ¬Nested); + ImplicitCastExpr l2r(ImplicitCastExpr::OnStack, type, CK_LValueToRValue, - &declRef, VK_RValue); + declRef, VK_RValue); EmitAnyExprToMem(&l2r, blockField, /*volatile*/ false, /*init*/ true); } |