Save a copy expression for non-trivial copy constructions of catch variables.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125661 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/CodeGen/CGExprComplex.cpp b/lib/CodeGen/CGExprComplex.cpp
index 21c298a96a..15901eb99a 100644
--- a/lib/CodeGen/CGExprComplex.cpp
+++ b/lib/CodeGen/CGExprComplex.cpp
@@ -129,6 +129,14 @@ public:
   }
   ComplexPairTy VisitArraySubscriptExpr(Expr *E) { return EmitLoadOfLValue(E); }
   ComplexPairTy VisitMemberExpr(const Expr *E) { return EmitLoadOfLValue(E); }
+  ComplexPairTy VisitOpaqueValueExpr(OpaqueValueExpr *E) {
+    if (E->isGLValue()) return EmitLoadOfLValue(E);
+
+    // Otherwise, the mapping is... what, exactly?  Probably a
+    // first-class aggregate, but it's really just not worthwhile.
+    CGF.ErrorUnsupported(E, "complex opaque r-value");
+    return ComplexPairTy();
+  }
 
   // FIXME: CompoundLiteralExpr