Don't crash synthesizing an ObjC property with an empty struct type. <rdar://problem/12547611>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166825 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjC.cpp b/lib/CodeGen/CGObjC.cpp
index a47c56f..c90e4ec 100644
--- a/lib/CodeGen/CGObjC.cpp
+++ b/lib/CodeGen/CGObjC.cpp
@@ -810,6 +810,10 @@
PropertyImplStrategy strategy(CGM, propImpl);
switch (strategy.getKind()) {
case PropertyImplStrategy::Native: {
+ // We don't need to do anything for a zero-size struct.
+ if (strategy.getIvarSize().isZero())
+ return;
+
LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), ivar, 0);
// Currently, all atomic accesses have to be through integer
@@ -1068,6 +1072,10 @@
PropertyImplStrategy strategy(CGM, propImpl);
switch (strategy.getKind()) {
case PropertyImplStrategy::Native: {
+ // We don't need to do anything for a zero-size struct.
+ if (strategy.getIvarSize().isZero())
+ return;
+
llvm::Value *argAddr = LocalDeclMap[*setterMethod->param_begin()];
LValue ivarLValue =