Quash TODO regarding catch by array type. Add tests to back it up.

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@149527 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/src/private_typeinfo.cpp b/src/private_typeinfo.cpp
index 6cc2f64..cb7b7dc 100644
--- a/src/private_typeinfo.cpp
+++ b/src/private_typeinfo.cpp
@@ -238,7 +238,10 @@ bool
 __array_type_info::can_catch(const __shim_type_info* thrown_type,
                              void*&) const
 {
-    // TODO:  Can this be called?
+    // We can get here if someone tries to catch an array by reference.
+    //   However if someone tries to throw an array, it immediately gets
+    //   converted to a pointer, which will not convert back to an array
+    //   at the catch clause.  So this can never catch anything.
     return false;
 }