Don't try to do RVO on block variables that refer to an enclosing local.
Fixes PR13314, clang crashing on blocks refering to an enclosing local
when the enclosing function returns void.
llvm-svn: 160089
diff --git a/clang/lib/Sema/SemaStmt.cpp b/clang/lib/Sema/SemaStmt.cpp
index 9be1d34..54ec58a 100644
--- a/clang/lib/Sema/SemaStmt.cpp
+++ b/clang/lib/Sema/SemaStmt.cpp
@@ -2035,7 +2035,7 @@
// ... the expression is the name of a non-volatile automatic object
// (other than a function or catch-clause parameter)) ...
const DeclRefExpr *DR = dyn_cast<DeclRefExpr>(E->IgnoreParens());
- if (!DR)
+ if (!DR || DR->refersToEnclosingLocal())
return 0;
const VarDecl *VD = dyn_cast<VarDecl>(DR->getDecl());
if (!VD)